열전지 음극재용 Li-Si 원료의 성형성에 미치는 입자크기와 바인더첨가 효과
Effects of Particle Size and Binder Phase Addition on Formability of Li-Si Alloy Powder for Thermal Battery Anode
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The effects of particle size of Li-Si alloy and LiCl-KCl addition as a binder phase for raw material ofanode were investigated on the formability of the thermal battery anode. The formability was evaluated with respect tofilling density, tap density, compaction density, spring-back and compressive strength. With increasing particle size ofLi-Si alloy powder, densities increased while spring-back and compressive strength decreased. Since the small springbackis beneficial to avoiding breakage of pressed compacts, larger particles might be more suitable for anode forming. The increasing amount of LiCl-KCl binder phase contributed to reducing spring-back, improving the formability ofanode powder too. The control of particle size also seems to be helpful to get double pressed pellets, which consistedof two layer of anode and electrolyte.
Abstract
The effects of particle size of Li-Si alloy and LiCl-KCl addition as a binder phase for raw material ofanode were investigated on the formability of the thermal battery anode. The formability was evaluated with respect tofilling density, tap density, compaction density, spring-back and compressive strength. With increasing particle size ofLi-Si alloy powder, densities increased while spring-back and compressive strength decreased. Since the small springbackis beneficial to avoiding breakage of pressed compacts, larger particles might be more suitable for anode forming. The increasing amount of LiCl-KCl binder phase contributed to reducing spring-back, improving the formability ofanode powder too. The control of particle size also seems to be helpful to get double pressed pellets, which consistedof two layer of anode and electrolyte.
참고문헌 (10)
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