KRI Product Lineup

This document introduces the provision of samples of ultra-long-life batteries that achieve a lifespan five times longer. Our company supports your research and development with a one-stop service for advanced battery design, prototype verification, degradation diagnosis, system development, safety evaluation, research, and consulting, including ultra-long-life batteries, all-solid-state batteries, and dry electrodes. We also provide support for battery material development, including high-voltage and high-capacity material development, as well as advanced battery development support such as rapid charging technology aimed at achieving a five-minute charge. Additionally, we conduct safety evaluations and analyses, including degradation diagnosis, value assessment, lifespan prediction, reuse analysis technology, fire risk assessment, and pack/system safety control. 【Contents】 ■ Request for evaluation of ultra-long-life battery samples (ultra-long-life technology that enables a lifespan five times longer) ■ Support for prototype verification and product commercialization (S.E.I. Co., Ltd./KRI group) ■ Degradation diagnosis, value assessment, lifespan prediction, reuse analysis technology ■ All-solid-state batteries (development support for materials for all-solid-state batteries, cell prototyping, etc., and problem-solving) ■ Dry electrode research (material/process development) *For more details, please download the PDF or feel free to contact us.

• Fuel Cells
• Cells and batteries
• Secondary Cells/Batteries

We would like to introduce our dry electrode manufacturing technology based on PTFE binders. By controlling the formulation and mixing method of positive electrode materials, conductive agents, and binders, as well as fibrillation and rolling methods, it is possible to produce high-strength and flexible dry electrode films. At KRI, we possess the technology and equipment to support material selection, prototype evaluation, and electrochemical property assessment for dry electrodes. We also accommodate material specifications from clients. 【Proposal Contents】 - Evaluation of dry electrode manufacturing using not only PTFE binders but also other binders - Assessment of active materials suitable for dry electrodes (for both positive and negative electrodes) and conductive agents - Evaluation of applicability to all-solid-state batteries - Scale-up evaluation of the dry electrode process - Experiments can also be conducted in a low-humidity environment as we have a dry room *For more details, please download the PDF or feel free to contact us.

• Cells and batteries
• Secondary Cells/Batteries
• Fuel Cells

We offer proposals for safe dismantling technology, Li doping technology, purification technology (sulfate), synthesis technology from raw materials, and evaluation of recycling direction. The recycling methods for lithium-ion batteries can be classified into "dry and wet processes" and "direct recycling." "Direct recycling" is a recycling method that involves fewer processes and has a lower environmental impact. 【Proposals】 ■ Dismantling: Safe dismantling technology ■ Material post-processing: Li doping technology ■ Sulfate: Purification technology ■ Active material rigidity: Synthesis technology from raw materials ■ Battery evaluation: Evaluation of recycling direction *For more details, please download the PDF or feel free to contact us.

• Other Recycling
• Other environmental measures and recycling
• Secondary Cells/Batteries

Our company is engaged in the development of hybrid solid electrolytes through compounding. The hybrid solid electrolytes, which combine polymers and inorganic solid electrolytes (such as sulfide and oxide types), are highly anticipated as functional materials that possess the advantages of both organic and inorganic components. By combining various polymers and inorganic solid electrolytes, we aim to develop hybrid solid electrolytes with high performance. 【Features of Hybrid Solid Electrolyte Membranes】 ■ High ionic conductivity ■ Low interfacial resistance ■ High mechanical strength *For more details, please download the PDF or feel free to contact us.

• Cells and batteries
• Secondary Cells/Batteries
• Fuel Cells

The energy density and safety of solid-state batteries are greatly influenced by the choice of solid electrolyte materials. There are several solid electrolyte materials, each with its own challenges. Development is underway using sulfide-based solid electrolytes with excellent ionic conductivity and moldability for batteries used in electric vehicles (EVs). *For detailed information, please refer to the attached PDF. Feel free to contact us for more details.*

• Cells and batteries
• Fuel Cells
• Secondary Cells/Batteries

At our company, we can effectively utilize valuable safety evaluation data through discussions with KRI engineers regarding each test result, aimed at solving issues and clarifying events. We conduct numerous evaluations, including custom tests for users related to practical use assessments and advice, as well as safety mechanism analyses. Additionally, we perform safety evaluations and considerations during module and packaging processes, as well as effectiveness verification of various functional materials and special structures. [Evaluation Content (Partial)] ■ Custom tests for users (assessments and advice related to practical use) ■ Safety mechanism analysis - Model testing and analysis/disassembly analysis using small cells - Trigger analysis for thermal runaway - Gas collection and analysis during testing, etc. *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services
• Secondary Cells/Batteries
• Fuel Cells

Our company has established an environment for prototyping and evaluating both small pellet cells for material potential assessment and laminated cells that allow for more practical evaluations. All-solid-state batteries require high-pressure interface bonding treatment to join the active material-solid electrolyte and the interfaces between solid electrolyte particles. At KRI, we are considering the prototyping of evaluation batteries using Roll to Roll and warm isostatic pressing (WIP). 【Cells Available for Prototyping and Evaluation】 ■ Small Pellet Cell (φ10mm) ■ Laminated Cell (electrode size can be customized) *For more details, please download the PDF or feel free to contact us.

• Prototype Services
• Other analysis and evaluation services
• Secondary Cells/Batteries

The document discusses "the risks of cell enlargement and the effects of functional materials." It explains technologies that prevent temperature rises from exceeding 100°C below the ignition point of the electrolyte (approximately 450°C), even in the event of thermal runaway due to internal short circuits, which is a standard that allows for smoke without ignition. It also covers technologies that reduce the combustion time of trigger cells and mechanisms such as inter-cell insulation materials and heat storage and release, which keep adjacent cells' temperature rises below 50°C of the thermal runaway initiation temperature. Please feel free to download it for your use. [Contents] ■ Technologies to suppress the thermal runaway level of individual cells ■ Preventive measures to avoid pack ignition and explosion (risk of human injury) *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Fuel Cells
• Lithium-ion battery

This document summarizes the situation of LIB-related accidents occurring both domestically and internationally, as well as the underlying issues. The balance between high energy density and safety continues to be disrupted, and it includes data on domestic and global accident situations. This is a useful resource for considering essential issues such as safety during internal short circuits, understanding the condition during aging, and designing for fire response, so please take a look. [Contents] ■ Domestic LIB-related accident situation ■ Global LIB-related accident situation *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Fuel Cells
• Cells and batteries

S.E.I. Co., Ltd. is a company of the KRI group that can realize the envisioned product image with high-quality prototype cell manufacturing technology. Since its establishment in 1999, it has been engaged in the development of battery materials and battery technology for PHEVs and EVs, with a mission to contribute to the realization of a decarbonized society. Additionally, it aims to accelerate customers' battery and device development with a vision of on-site capability, technical expertise, and speedy, flexible service. 【Business Activities】 ■ Electrode mixing and construction ■ Cell prototyping and evaluation ■ New technology development *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Prototype Services

Our company is working on the development of battery technology that enables 5-minute charging. Currently, EV charging takes 15 to 30 minutes and faces challenges such as reduced lifespan and lithium plating. To achieve 5-minute charging, it is necessary to address these issues. Our company is pursuing the realization of 5-minute charging through various approaches, including electrode technology, diagnostic technology, and analytical technology. 【KRI's technologies that enable 5-minute charging】 ■ Electrode technology ■ Analytical technology ■ Diagnostic technology *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries

Our company provides support for the development of high-capacity materials suitable for mobility. In lithium-ion batteries, it is necessary to consider the material shape based on electrode properties. At KRI, we implement material development support, including particle design, doping, and surface coating technologies. Please feel free to contact us when you need assistance. 【Material Shapes Suitable for Lithium-Ion Batteries】 ■ It is necessary to have material shapes that consider electrode properties. ■ Particle size, shape, and packing density. ■ Polycrystalline and single-particle types: issues related to internal voids, cracking, edge surfaces, and basal surfaces, etc. *For more details, please download the PDF or feel free to contact us.

• Lithium-ion battery
• Secondary Cells/Batteries
• Fuel Cells

Our company is committed to developing the necessary technologies for mobility batteries to realize a mobility society that considers people and the environment. We aim to create long-lasting and highly reliable batteries that can be used "longer" and "safer," as well as high energy density and fast charging solutions to make them "smaller" and "easier to use." Furthermore, we are also pursuing operation, prediction, and reuse for "appropriate utilization." [KRI's Vision for the Battery World] - High energy density and fast charging that are "smaller" and "easier to use" - Long-lasting, highly reliable, and safe batteries that can be used "longer" and "safer" - Consideration for resources and the environment through recycling, process reduction, and elimination of Co, Ni, and F - "Appropriate value judgment" through diagnostics (SOH, SOS) - "Appropriate utilization" through operation, prediction, and reuse *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Fuel Cells
• Lithium-ion battery

We would like to introduce KRI technology for Level 4 battery digital twins. The capabilities of Level 4 (Living) include updating and adapting predictive models based on operational data. Applications are anticipated for virtual sensors that optimize predictive operations for any operational scenario and adapt to the environment. Our company will maximize system performance and enhance safety and reliability through various simulations and degradation prediction technologies applicable to any operational scenario. [KRI Technology] - Various simulations (current, voltage, reaction dispersion, heat generation, etc.) - SOH diagnostic technology, sensing technology - Degradation prediction technology applicable to any operational scenario - Analysis of operational data through data assimilation technology - Updating predictive models *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Other analysis and sequence
• Fuel Cells

Our company offers a service to assess the limits of batteries. Understanding the limits of batteries, such as primary and secondary degradation in durability, and conditions like smoke or fire during thermal runaway, is important to know the acceptable conditions and levels. Without being swayed by evaluation results, battery engineers make judgments based on mechanisms, and with an understanding of these mechanisms, they find solutions within the limits. 【Diagnosis Contents】 ■ Charging (Temperature, Rate) ■ Heat ■ Durability ■ Safety *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Other analysis and evaluation services
• Fuel Cells

The "degradation diagnosis technology" that adds value to EVs and storage batteries is a technology for handling EVs and storage batteries as assets safely and for a long time. By utilizing historical data, it allows for understanding the condition of the battery without stopping operations, and diagnoses future risks through simple and short-term spot data. It can be used for understanding performance and value assessment after degradation, as well as for appropriate reuse. Additionally, we are currently conducting demonstration tests of the degradation diagnosis technology using EVs from the Daigas Group. [Diagnosis Content] ■ Battery capacity and resistance from historical data ■ Secondary degradation risk of the battery from spot data *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Other analysis and evaluation services
• Fuel Cells

Our company is advancing the development of materials and battery/operational technologies focused on battery lifespan. The CFP, which is one of the components of LCA (Life Cycle Assessment), has been incorporated into the European Battery Regulation, and efforts towards CFP will be accessible through the battery passport, becoming a direct evaluation target. Our technology contributes to reducing CFP through the ultra-long lifespan of cells and maximizing warranty periods through diagnostic technology. [Expectations for ultra-long lifespan technology from the perspective of CFP] - Reduction of CFP through the ultra-long lifespan of cells (5 times the usage period ⇒ CFP 1/5) - Maximization of total energy consumption through optimal control - Maximization of warranty periods through diagnostic technology, etc. *For more details, please download the PDF or feel free to contact us.

• Lithium-ion battery
• Secondary Cells/Batteries
• Fuel Cells

Our company provides ultra-long lifespan technology that enables electric vehicles (EVs) to travel 1 million kilometers. "Ultra-long lifespan batteries" are designed to establish foundational technology for achieving ultra-long lifespans (more than five times the current lifespan). This technology can be considered not only for EVs but also for energy storage systems (ESS) and industrial applications. Please feel free to contact us when you need assistance. 【Sample Specifications】 <Stacked Laminated Type> ■Nominal Capacity: 10, 11Ah ■Energy Density: - <21700 Cylindrical Type> ■Nominal Capacity: 3.0, 3.4Ah ■Energy Density: 500-520Wh/L *For more details, please download the PDF or feel free to contact us.

• Secondary Cells/Batteries
• Fuel Cells
• Lithium-ion battery

At our company, battery and system engineers, materials engineers, and analytical engineers collaborate from their respective perspectives to elucidate phenomena and mechanisms. In the fusion technology of operando CT and image analysis (cell thickness and displacement analysis), we acquire three-dimensional images while intermittently and continuously charging and discharging, analyze the images, and evaluate changes. We provide a one-stop solution to clarify uncertain and unknown phenomena in battery development. 【Ultra-high resolution SEM and NMR (partial)】 ■ Potential contrast observation to distinguish materials that are difficult to differentiate through compositional analysis based on differences in conductivity. ■ Observation of sharp fiber shapes without "bulking" due to deposited films. ■ Understanding the bonding state of silane coupling agents chemically bonded to the substrate surface. ■ Observation of intermolecular interactions between phosphine oxide and the substrate. *For more details, please download the PDF or feel free to contact us.

• Technology Development
• Other analysis and evaluation services
• Secondary Cells/Batteries

Our "One-Stop Service for Secondary Batteries" integrates battery and system design guidelines with material technology to formulate hypotheses aimed at meeting user requirements and solving challenges, from experimental planning to verification. In thermal management, we offer precise evaluations tailored to the required heat dissipation characteristics, considering factors such as the direction in which heat needs to be dissipated and the operating temperature. Please feel free to contact us when you need assistance. 【Methods for Evaluating Heat Transfer】 ■ Periodic Heating Radiation Thermometry ■ Laser Flash Method *For more details, please download the PDF or feel free to contact us.

• Other analysis and evaluation services
• Secondary Cells/Batteries
• Fuel Cells

Our company conducts battery-related research and consulting, including innovation and recycling. We enhance the technology trend research and market research conducted by our researchers with the knowledge of specialists who have years of experience in research and development, planning, and marketing. We conduct research and proposals tailored to our clients' requests and expected outputs, adding value unique to KRI's original research, such as clarifying approaches to development targets and discussing commercialization scenarios. 【Examples of Contracted Achievements (Partial)】 ■ Patent and literature technology research and technical analysis related to battery systems and battery materials ■ Research on trends in overseas energy storage technology development ■ Market trend research and needs assessment related to batteries ■ Battery performance analysis from publicly available information ■ Consulting on energy storage technology and data analysis *For more details, please download the PDF or feel free to contact us.

• Other Consulting Services
• Secondary Cells/Batteries
• Fuel Cells

Our company conducts "battery health check-ups" to ensure batteries are used safely and for a long time. From a KRI perspective, we can analyze and predict the battery's condition, remaining lifespan, risks, and limits. To use batteries safely and for an extended period, it is essential to have the technology to "see" inside the battery. Please feel free to contact us when you need our services. 【Diagnosis Content (Partial)】 <Internal Condition Assessment> ■ Detailed analysis of electrode structure, positive/negative electrode balance, chemical state, etc. ■ Non-destructive testing, disassembly analysis <Limit Assessment> ■ Evaluation of limits during low-temperature overvoltage and high-temperature load reactions that affect secondary degradation *For more details, please download the PDF or feel free to contact us.

• Contract Analysis
• Other analysis and evaluation services
• Secondary Cells/Batteries

We provide an overview of domestic and international research trends related to MI, along with case studies of its application, as well as investigations and research proposals aimed at specific material development. We conduct trend surveys on material development utilizing computational science, particularly materials informatics, contributing to the acceleration of our clients' material development. If necessary, we can also conduct basic studies on MI within our company and introduce other MI companies. 【Example of Project Content】 ■STEP 1: Overall Trend Survey - We provide survey results summarizing the definition of MI and overall trends in material development. ■STEP 2: Individual Client Survey - Based on the client's requests and areas of interest, we conduct research and analysis. *For more details, please refer to the PDF materials or feel free to contact us.

• Public Testing/Laboratory
• Secondary Cells/Batteries
• Fuel Cells

Our Advanced Technology Research Department supports R&D and commercialization through technology research, including assistance in launching new R&D themes, exploring industry needs, and developing applications for existing technology seeds. Starting with research, we can provide suitable solution proposals and proof of concept. Depending on the research area, we can collaborate with researchers who have expertise in KRI's specialized fields to provide technical advice, specific theme development, and technology evaluation based on the research results. [Features] - Researchers with a technical background - Highly specialized advice and concrete evaluation *For more details, please refer to the PDF document or feel free to contact us.

• Other services
• Secondary Cells/Batteries
• Fuel Cells

Our company develops and applies thermal storage materials tailored to meet customer needs. We have a track record and expertise in technologies that enable long-term storage of latent heat storage materials, technologies that facilitate handling, and technologies related to chemical thermal storage materials. Based on these, we provide development services according to customer requests. Please feel free to contact us if you have any inquiries. 【Examples of Development in Thermal Storage Materials and Technologies】 ■ Composite of resin/thermal storage materials ■ Encapsulation of hydrated salt-based thermal storage materials ■ Performance enhancement of chemical thermal storage materials ■ Thermal storage materials with thermally conductive fillers *For more details, please refer to the PDF materials or feel free to contact us.

• Other contract services
• Secondary Cells/Batteries
• Fuel Cells

Our company conducts research on the development trends of decarbonization technologies. By investigating domestic and international development trends and case studies related to decarbonization technologies, we contribute to our customers' future R&D themes and technological development. We provide a one-stop solution from research to suitable solution proposals to demonstration. For technology research related to carbon neutrality, please leave it to us. 【Project Details】 ■ Technology Research - Investigating materials, catalyst-related technologies, business trends, etc., according to the customer's areas of interest. ■ Proposal of development themes and initiatives ■ Support for demonstration, testing, and development *For more details, please refer to the PDF document or feel free to contact us.

• Public Testing/Laboratory
• Fuel Cells
• Secondary Cells/Batteries

Our company utilizes data analysis (AI/machine learning, etc.) to support the enhancement of product value and business improvement. Experts in material development, analysis, and data analysis will quickly resolve the challenges and issues at hand. A team of specialists will collaborate on projects to meet your needs in a one-stop manner. Please feel free to contact us when you require assistance. 【Main Equipment We Own】 ■ FE-TEM (3D, precession), FE-SEM, FE-EPMA ■ FT-IR, Raman, NMR, AFM, laser microscope ■ X-ray CT, XPS, XRF, XRD ■ TG/DTA (steam gasification), DSC ■ GC (MS), LC (MS), TOFMS, HPLC, IC, ICP, GPC, DART, AAS ■ Various magnetic measurement devices such as VMS *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices
• Fuel Cells
• Secondary Cells/Batteries

KRI Corporation is a unique private contract research company in the world that solves technical issues through commissioned research, supporting our clients in business promotion and new business development. We contribute to solving technical challenges related to research and development, production, product troubles, and new business expansion for over 2,000 clients, including top domestic manufacturers that lead society and industry. In the unpredictable world of business, we strive to remain a reliable presence. Here, you will find answers that you have not encountered before. 【Main Business Activities】 ■ Contract research and development primarily in the fields of materials, energy, and environment ■ Analysis and testing evaluation ■ Surveys, business support, and other ancillary services related to the above *For more details, please refer to the PDF materials or feel free to contact us.

• Contract Analysis
• Public Testing/Laboratory
• Secondary Cells/Batteries

Our company possesses technology related to the control of particle size of metal nanoparticles. We can assist in analyzing the surface state of metal microparticles and optimizing particle size in material development. By examining particle size, effective utilization of nanoparticles is expected. 【Future Developments and Expected Outcomes】 ■ Control of color development (applications in biosensors and optical devices) ■ Adjustment of magnetic properties (applications in magnetic devices) ■ Improvement of handling properties through control of reactivity and safety (applications in conductive materials) ■ Reduction of platinum usage in electrode catalysts *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Fuel Cells
• Secondary Cells/Batteries

Our company creates porous negative electrode materials from components of underutilized plant-derived resources. Using agricultural residues (such as rice husks) as an example, we extract valuable substances, ultimately obtaining silicon (Si) and carbon (C) that inherit the morphological characteristics of the crops. By using this same plant-derived Si and C, we can produce Si/C nano-composites in a direct one-step process without using external carbon sources, resulting in conductive porous nanostructures that are expected to be utilized as electrode materials for batteries. [Future Developments/Suggestions] ■ Development of value-added materials, applications in catalysis, adsorption, etc. ■ Utilizing extracted valuable substances as precursors for producing final products with silica and carbon components. ■ Using extracted valuable substances as precursors for hybridizing with other materials to manufacture high-performance materials. *For more details, please refer to the PDF document or feel free to contact us.

• Other contract services
• Fuel Cells
• Secondary Cells/Batteries

Our company can determine the state of solid lithium present in the interior or on the surface of active materials. By understanding the state of lithium, it is possible to consider the causes of battery degradation and the reaction mechanisms. Since measurements can be made with sample amounts of several hundred milligrams, it is possible to evaluate lab-scale materials and compare sampling samples from different locations within the same cell. 【Features】 ■ Measurements can be conducted in an environment with minimal exposure to air, allowing for the measurement of materials in a charged state. *For more details, please refer to the PDF document or feel free to contact us.

• Contract measurement
• Contract Inspection
• Secondary Cells/Batteries

Our company uses CO2 (carbon dioxide) as a "material" to create new and novel molecules. Under the presence of a catalytic amount of metal complexes, the reaction proceeds smoothly at room temperature. Although the efficiency is lower compared to pressurized conditions, the reaction still progresses under atmospheric pressure. 【Features】 ■ Precise molecular transformation *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing
• Other contract services
• Secondary Cells/Batteries