Lithium-Indium (Li-In) Alloy Chips (D=10-16 mm, T=0.25-0.6 mm) as Solid-State Battery Anode, CSSBALIAC
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In solid-state cell testing (especially within rigid PEEK-lined split cells or Swagelok-type dies), using pre-formed alloy chips ensures a highly uniform initial Area Specific Resistance (ASR) across the active cell area. (1) The 0.62 V Buffering Mechanism: The primary function of the chip is to maintain a flat potential profile by operating within the In + InLi two-phase region. This eliminates the thermodynamic reduction of sulfide solid electrolytes (such as Li6PS5Cl or LGPS), which typically happens when pure lithium metal is dropped directly onto the separator at ~ 0 V. (2) Volumetric Consistency: Because indium undergoes massive volumetric expansion (nearly 50%) upon initial lithiation, a factory-homogenized alloy chip ensures that internal mechanical stresses are evenly distributed, reducing the chance of micro-cracks in the solid electrolyte layer.
| Part Number |
CSSBALIAC (C-SSBA-LIAC) |
| Li-In Composition |
Li : In= 1:1 (atomic ratio) |
| Li-In Alloy Chip Size |
(1) D=10 mm, T=0.25 mm, 50 pcs/bottles (2) D= 14 mm, T=0.60 mm, 50 pcs/bottles (3) D=16 mm, T=0.60 mm, 50 pcs/bottle Other chip diameters within 6 mm to 25 mm and thickness in 0.2 mm to 1.0 mm can be provided upon request. |
| Sample Package |
The lithium-indium (Li-In) chips are sealed in an aluminum can that is further sealed with a vacuum bag. |
| Attention |
The aluminum can with lithium alloy chips must be opened inside a glove box with Argon Gas and moisture less than 1%RH (0.1 ppm is better). |
References:
- E A Il’ina, et al. Investigation of Li-In alloy application as anode for all-solid-state batteries, J. Phys.: Conf. Ser. 2021, 1967, 012012
- H. Ren, et al. Unraveling Failure Mechanism of Indium Anodes in all-Solid-State Batteries, Adv. Energy Mater., 2026, 16, e04932
- J. Aspinall, et al. Effect of Microstructure on the Cycling Behavior of Li–In Alloy Anodes for Solid-State Batteries, ACS Energy Letter, 2024, 9, 578–585.