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Application

Battery Research

Every component of the battery value chain — electrode, binder, separator and electrolyte through to the commercial cell — must be tested rigorously. Cycling tests take a long time, require many channels and demand high reliability; impedance measurements reveal what is happening inside the cell without destroying it.

Scientific background

Capacity, Coulombic efficiency, internal resistance and ageing behaviour are followed with galvanostatic cycling (CC-CV, GCD), HPPC, GITT and duty cycles.

Electrochemical impedance spectroscopy (EIS) provides, non-destructively, information about charge-transfer kinetics, ionic transport and SEI formation inside the cell that DC measurements cannot give. Native EIS on every channel of the BCS-900 series allows SOC/SOH and internal resistance to be monitored during cycling.

Three-electrode research cells (MPG-2, VMP-3e) are used at the electrode level; multichannel cycling systems (BCS-900, BCS-1012) at the level of commercial cell validation and ageing.

Measurement methods used

CC / CV / CC-CV cyclingGCD, HPPC, GITT, DCIRPEIS / GEIS (native EIS)dQ/dV analysisTemperature-synchronized cycling (BT-Clim™)

Accessories you may need

Instrument by research stage

Recommended products

BCS-975R
Bio-LogicPremium

BCS-975R

75 A / 300 A regenerative cycling for high-power performance tests
  • 8 channels, ±75 A per channel
  • 3 ranges: 75 A / 7.5 A / 750 mA
  • Parallelization: 4 × 150 A or 2 × 300 A
BCS-1012
Bio-LogicEssential

BCS-1012

When ageing and screening tests require high-volume cell cycling
  • High channel density: 32 channels in 8U
  • Up to 6 A — ideal for cylindrical cells and small pouch cells
  • 2 current ranges for control and measurement
MPG-200 Series (MPG-2 / MPG-205)
Bio-LogicPremium

MPG-200 Series (MPG-2 / MPG-205)

3-electrode cycling with EIS option for research cells
  • MPG-2: 16 channels, ±100 mA, 3 electrodes / 5 terminals
  • MPG-205: 8 channels, ±5 A, 2 electrodes / 4 terminals
  • EIS option: 100 kHz – 10 µHz
VMP-3e
Bio-LogicEssential

VMP-3e

The 16-channel reference workstation
  • Up to 16 channels, ±1 A per channel
  • External booster on every channel: up to 800 A
  • Multi-electrode setups with CE-to-GND mode
VMP-300
Bio-LogicPremium

VMP-300

The most flexible instrument of the range: 16 configurable channels
  • 16 slots: up to 16 independent channels
  • Up to 150 A with parallel boosters
  • EIS 11 MHz and ULC option per channel
Battery Cell Holders
Bio-Logic

Battery Cell Holders

True cell values with 4-point connection
  • Coin: CCH-1 (single), CCH-8 (8 positions)
  • Cylindrical: BH-1i, 4- or 8-position configuration
  • Pouch: PBH-4 / PBH-8 / PBH-150 (up to 50 A)
FlexP Series
Bio-LogicEssential

FlexP Series

Power EIS: up to 60 V / 800 A
  • FlexP 0060: 60 V / 50 A (200 A with 4 in parallel) — battery pack characterization
  • FlexP 0012: 12 V / 200 A (800 A with 4 in parallel) — fuel cell/electrolyzer
  • EIS 10 kHz – 1 mHz
BT-Lab® Suite
Bio-Logic

BT-Lab® Suite

From reliable testing to efficient analysis: BT-Test™, BT-Analysis™, BT-Export™, BT-Clim™, BT-Cal™
  • Tasks: REST, CC, CV, AUP, CALCULATE, CC_CV, CLD, CPW, CS, DCIR, G-ACIR, GEIS, PEIS, LOOP, VS
  • 6 task limits, 3 recording conditions, safety limits (Umin/max, |I|, |Q|, T, AUX)
  • Grid up to 128 steps, 4 nested loops

Application notes and documents

Which configuration for this application?

Let us determine the cell type, current range and channel count together.

Quotation and technical consulting