Hioki RM2610 Electrode Resistance Measurement System for Li-ion Electrode Analysis
In lithium-ion battery research, process development, and quality control, understanding electrode behavior at the sheet stage is increasingly important. The Hioki RM2610 Electrode Resistance Measurement System is designed to help users quantify resistance characteristics in electrode sheets by separating them into two key components: composite layer resistance and interface resistance between the composite layer and current collector. Hioki presents the RM2610 as a system that measures the surface potential of battery electrode sheets using an array probe fixture and then applies proprietary analysis techniques to visualize these resistance components for deeper evaluation.
One of the RM2610’s biggest advantages is its ability to provide data that would otherwise be difficult to isolate. Hioki states that the system can separately acquire the resistance of the composite layer and the interface resistance between the composite and the current collector, giving users a more detailed view of electrode structure and coating performance. This makes the RM2610 especially useful for analyzing the effects of electrode materials, conductive additives, composition, and coating conditions during battery development and production optimization.
The RM2610 is also built around a structured measurement workflow. Hioki explains that the system consists of the RM2611 electrode resistance meter, RM2612 software, and supporting hardware including the RM9003 press unit, RM9004 test fixture, and RM9005 components as part of the kit model. The measurement process uses a probe array to capture the potential distribution on the electrode sheet surface, then applies inverse problem analysis of potential distribution using the finite volume method to calculate the target resistance parameters.
From a performance standpoint, the RM2610 is intended for positive and negative electrode sheets for rechargeable lithium-ion batteries. Hioki lists the main output parameters as composite resistivity [Ωcm] and interface resistance [Ωcm²], with required computation inputs including composite layer thickness, current collector thickness, and current collector volume resistivity. The system uses 46 probes and supports measurement current from 1 μA to 10 mA. Hioki also states that a typical workflow takes about 30 seconds for contact check and potential measurement, plus about 35 seconds for calculation on the referenced PC specification.
Another important strength is software-supported analysis. Hioki highlights the RM2612 Electrode Resistance Measurement Software, which supports functions such as contact check, re-analysis of recent measurements, output of analysis results, measurement and analysis mode handling, configuration save/load, and automatic software updates. Hioki also provides a dedicated maintenance tool RM9006 to keep the electrode probe clean and support consistent measurement quality over time.
For battery manufacturers, R&D teams, and process engineers seeking better insight into electrode-sheet performance, the Hioki RM2610 offers a practical way to quantify resistance characteristics that directly affect battery design and manufacturing quality. Its combination of probe-based measurement, analytical separation of resistance components, and software-driven evaluation makes it a strong solution for lithium-ion electrode analysis.
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