{"id":7936,"date":"2026-06-14T15:09:00","date_gmt":"2026-06-14T06:09:00","guid":{"rendered":"https:\/\/test-ftcj.test-site01.site\/case\/lib\/"},"modified":"2026-06-30T10:51:12","modified_gmt":"2026-06-30T01:51:12","slug":"lib","status":"publish","type":"case","link":"https:\/\/test-ftcj.test-site01.site\/en\/case\/lib\/","title":{"rendered":"High-Quality Die-Cutting of LIB \/ Solid-State Battery Electrodes | Eliminating Burrs and Cracks with Nogami Giken Hand Punches"},"content":{"rendered":"\n

Die-cutting defects (burrs and cracks) occurring in the electrode evaluation of LIBs and solid-state batteries directly impact the reliability of evaluation data and development schedules. We propose high-performance hand punches manufactured by Nogami Giken<\/a>, combined with test equipment lending and paid testing. This simultaneously improves evaluation accuracy and development speed while lowering implementation risks.<\/p>\n\n\n\n

Burrs and Cracks Frequently Occurring in LIB \/ Solid-State Battery Electrode Evaluation<\/h2>\n\n\n\n

Burrs and cracks occur during electrode die-cutting (test samples) for LIBs and solid-state batteries, compromising the reliability of evaluation data. This affects development schedules.
Existing hand punches have insufficient compatibility with electrode materials (thin films and brittle materials).
\u25cf Scenarios where this becomes apparent:<\/strong> Existing product improvement and new material evaluation phases.
\u25cf Main impacts:<\/strong> Increased variance in evaluation data, development delays due to re-evaluation, and risks in mass production investment decisions.<\/p>\n\n\n\n

Why Burrs and Cracks Cannot Be Resolved: Limitations of Blade Shape, Load Settings, and Material Compatibility<\/h2>\n\n\n\n

In addition to the physical property limits of existing materials, there are constraints in the processing design (existing punch blade shapes and load settings).
\u25cf Grounds for identification:<\/strong> Interviews with responsible personnel and comparative tests with existing hand punches.<\/p>\n\n\n\n

Countermeasures Attempted So Far and Their Limits<\/h2>\n\n\n\n

Blade replacement of existing punches (limited burr reduction) and trial use of laser cutting (thermal effects occurred).
Based on these limitations, we adopted the following approach as a more fundamental solution.<\/p>\n\n\n\n

Solution Approach: Proposing Nogami Giken Hand Punches \u00d7 Test Equipment Lending \u00d7 Paid Testing<\/h2>\n\n\n\n

Developing new opportunities with overseas manufacturers: Assisting implementation decisions through the proposal of hand punches manufactured by Nogami Giken<\/a>, test equipment lending, and paid testing.<\/p>\n\n\n\n

\n
\n
\n

STEP. 01<\/p>\n\n\n\n

Overseas Supplier Collaboration<\/h4>\n<\/div>\n\n\n\n

Evaluating and introducing hand punches manufactured by Nogami Giken<\/a><\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

STEP. 02<\/p>\n\n\n\n

Test Equipment Lending (Consultation required case-by-case)<\/h4>\n<\/div>\n\n\n\n

Verifying die-cutting quality within the customer’s company<\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

STEP. 03<\/p>\n\n\n\n

Paid Testing<\/h4>\n<\/div>\n\n\n\n

Conducting proxy tests on the Nogami Giken (Fuji Chemi) side<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

Fuji Chemi Trading’s Supply System: Headquarters \u00d7 China Base \u00d7 Overseas Network \u00d7 Nogami Giken<\/h2>\n\n\n\n

This solution is established through a clear division of roles among multiple bases:
\u30fbHeadquarters \/ Domestic Sales: Customer contact window and test equipment coordination
\u30fbOverseas Bases (China and Global)<\/a>: Demonstrations and deployment for overseas customers
\u30fbNogami Giken \/ Partner Manufacturers: Equipment supply and technical data provision
\u25cf Supply System:<\/strong> Phased operation: test equipment lending \u2192 paid testing \u2192 formal implementation.<\/p>\n\n\n\n

Results of Implementation<\/h2>\n\n\n\n

Achieved improvements in function and performance, stable quality, and reduced defect rates. Enabled the die-cutting of test samples optimal for evaluation.
\u25cf KPI Candidates:<\/strong> Reduction in burr and crack occurrence rates \/ Improvement in repeatability of evaluation data \/ Increased adherence rate to development schedules.
\u25cf Implementation Lead Time:<\/strong> Proceeding step-by-step from test equipment lending to paid testing and main equipment implementation.<\/p>\n\n\n\n

Anticipated Ripple Effects and Horizontal Expansion<\/h2>\n\n\n\n

The benefits of implementing this solution extend beyond solving the primary issues. Please utilize this as material for internal and management proposals.
\u30fbExpansion into next-generation battery evaluations such as all-solid-state batteries and sodium-ion batteries
\u30fbAccompanying the evaluation phases of electrode material manufacturers and separator manufacturers
\u30fbComprehensive proposals to the LIB evaluation equipment market driven by EV market expansion
\u30fbHorizontal expansion to overseas battery factories (China, South Korea, and Southeast Asia)<\/p>\n\n\n\n

Differences from Competitors: Why Fuji Chemi Trading is Chosen<\/h2>\n\n\n\n

In contrast to competitors selling equipment standalone, Fuji Chemi lowers implementation risks with a package of “equipment lending + paid testing + overseas collaboration.”<\/p>\n\n\n\n

Product Information & Specification Overview<\/h2>\n\n\n\n

The main specifications of products with a proven track record can be selected from multiple grades depending on the application and required conditions. Representative specifications are as follows (please contact us for detailed specs).<\/p>\n\n\n\n

Item<\/th>Specifications<\/th><\/tr><\/thead>
Compatible Materials<\/strong><\/td>LIB electrodes (positive and negative) \/ Solid-state battery electrodes \/ Separators<\/td><\/tr>
Die-Cutting Shapes<\/strong><\/td>Round \/ Rectangular<\/td><\/tr>
Features<\/strong><\/td>Blade shape and die-cutting load optimized for electrode materials<\/td><\/tr>
Evaluation Support<\/strong><\/td>Test equipment lending \/ Paid testing support<\/td><\/tr>
Related Markets<\/strong><\/td>EV \/ All-Solid-State Batteries \/ Sodium-Ion Batteries<\/td><\/tr>
Collaboration<\/strong><\/td>Deployable to battery factories and R&D departments in China and worldwide<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Utilization Methods and Operation Examples<\/h2>\n\n\n\n

In actual operations, the following patterns are frequently adopted:
\u30fbEvaluation Phase: Requirement hearing \u2192 Sample evaluation \u2192 Specification finalization
\u30fbPre-Mass Production Preparation: Division of roles across bases, specification standardization, and local startup
\u30fbMass Production Phase: Ensuring short delivery times and stable supply through our supply system
\u30fbHorizontal Expansion: Supporting expansion into other bases and projects<\/p>\n\n\n\n

\n

FAQ (Frequently Asked Questions)<\/h2>\n\n\n\n
\n
\n

What are the conditions for lending test equipment?<\/p>\n<\/div><\/div>\n\n\n\n

Please consult with us on a project-by-project basis regarding lending periods, test details, and paid testing prices.<\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

Can you also support the evaluation of all-solid-state batteries?<\/p>\n<\/div><\/div>\n\n\n\n

Yes, we have a proven track record in evaluating solid-state battery electrodes.<\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

Can you support implementation at overseas battery factories?<\/p>\n<\/div><\/div>\n\n\n\n

Yes, deployment to battery factories in China, South Korea, Southeast Asia, and global research institutions is possible.<\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

Can you introduce evaluation equipment for components other than electrodes (separators, tabs, etc.)?<\/p>\n<\/div><\/div>\n\n\n\n

We can propose evaluation equipment for all LIB processes under Fuji Chemi’s “Battery Evaluation Lab.”<\/p>\n<\/div><\/div>\n\n\n\n

\n
\n

What kind of data can be obtained through paid testing?<\/p>\n<\/div><\/div>\n\n\n\n

We can provide data such as burr\/crack occurrence rates, dimensional accuracy, and repeatability.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

Proposals by Related Applications and Challenges<\/h2>\n\n\n\n

\u25a0 Accelerating LIB Separator Air Permeability Measurement | Improving Quality Control Efficiency Through Oken Type Air Permeability Testers \u00d7 Collaboration with China Bases and Overseas Agents<\/a>
\u25a0 Small-Lot and Slitting Processing for FPC Release Film | Supplying Evaluation Samples with Short Lead Times from Stock Items<\/a><\/p>\n\n\n\n

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