In-Situ Raman Battery Test Cell Model: RM-2E
In-Situ Raman Battery Test Cell Model: RM-2E
In-Situ Raman Battery Test Cell Model: RM-2E
In-Situ Raman Battery Test Cell Model: RM-2E
In-Situ Raman Battery Test Cell Model: RM-2E
In-Situ Raman Battery Test Cell Model: RM-2E

CNB-12-RM-2E

In-Situ Raman Battery Test Cell Model: RM-2E

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Model

RM-2E In-Situ Raman Battery Test Cell

A sealed two-electrode battery test cell for in-situ Raman monitoring during electrochemical cycling.

Product Overview

The RM-2E is a sealed two-electrode battery test cell integrating in-situ Raman measurement with electrochemical cycling. Its short sample-to-window distance facilitates Raman signal collection, while spring-loaded compression enables adjustable stack loading and stable electrode contact. Designed for battery materials research, it supports real-time investigation of structural evolution, redox conversion, and interfacial changes during charge/discharge testing.

Key Features

• In-situ Raman Monitoring
Enables Raman characterization of electrode materials during battery charge/discharge operation

• Adjustable Spring Loading
Allows the applied load to be adjusted for comparative evaluation under different compression conditions

• Glovebox-Compatible Sealing
The cell can be assembled in a glovebox and subsequently operated under ambient conditions with O-ring sealing

Technical Specifications

Electrode configuration Two-electrode system
Sample-to-window distance < 2 mm
Optical window diameter Ø20 mm
Effective optical window diameter Ø12 mm
Optical window material Sapphire
Cell body material Ti
Insulation material PEEK
Current collector tab Gold-plated copper
Cell body dimensions Ø70 mm × H20 mm

Instrument Compatibility

• Raman System Compatibility
Compatible with commercial Raman microscope systems, including Renishaw (inVia) and HORIBA (LabRAM Soleil Nano)

• Electrochemical Testing Compatibility
Compatible with commercial electrochemical workstations, including CH Instruments (CHI660E), and battery testing systems, including NEWARE (CT-4008T)

Published Application Example

In-situ Raman Tracking of Four-Electron Iodine Conversion

The cell used in this study, supplied by Beyond Battery under product code RM-2E, was coupled with a Renishaw inVia Raman microscope (532 nm) and CHI660E workstation to investigate four-electron conversion in aqueous Zn–I₂ batteries. During cycling from 0.6 to 1.9 V, Raman spectra tracked I₃⁻, I₅⁻, I₂, and ICl₂⁻, confirming reversible iodine conversion and HMTA-mediated suppression of polyiodide shuttling and I⁺ hydrolysis.

Demonstrated RM-2E Capabilities

  • Simultaneous Raman acquisition and galvanostatic cycling
  • Potential-resolved tracking of multiple iodine species
  • Compatibility with two-electrode aqueous battery configurations

Additional Published Applications

  • Hu, Y. et al. Energy Environ. Sci. 2026, 19, 1551–1564.
  • Hao, J. et al. Sci. Adv. 2026, 12, eaed8075.