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Influence of Element Stoichiometry and Sintering Temperature on Lithium-Ion Conductivity of Sulfide Solid Electrolyte Li6-xPS5-xCl1+x
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Jiaqiang ZHANG, Zexiao MAO, Hong LIAO, Gang LEI, Bowei JU
Mining and Metallurgical Engineering | 2026, 46(4) : 222 - 225
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Mining and Metallurgical Engineering | 2026, 46(4): 222-225
• MATERIALS •
Influence of Element Stoichiometry and Sintering Temperature on Lithium-Ion Conductivity of Sulfide Solid Electrolyte Li6-xPS5-xCl1+x
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Jiaqiang ZHANG, Zexiao MAO, Hong LIAO, Gang LEI, Bowei JU
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  • Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
doi: 10.3969/j.issn.0253-6099.2026.04.034
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Sulfide solid electrolyte Li6-xPS5-xCl1+x samples were prepared under varied combinations of element stoichiometry and sintering temperature. Performance characterizations were conducted to investigate the effects of processing parameters on ionic conductivity. The results reveal that the optimal parameter combination corresponds to the electrolyte with the chemical formula Li5.35PS4.35Cl1.65, being sintered at 500 ℃. This electrolyte delivers a lithium-ion conductivity of 11.05 mS/cm after cold pressing at 26 ℃. For electrolytes with identical stoichiometry, the lithium-ion conductivity of electrolyte increases first and then decreases as sintering temperature rises. Under the optimal sintering temperature, the lithium-ion conductivity of electrolyte exhibits an upward trend followed by a downward trend with the increase of halogen stoichiometric coefficient (1+x).

all-solid-state battery  /  Li6-xPS5-xCl1+x  /  sulfide solid electrolyte  /  ionic conductivity  /  sintering temperature  /  element stoichiometry
张嘉强, 毛泽潇, 廖红, 雷刚, 鞠博伟. 元素配比与烧结温度对硫化物固态电解质Li6-xPS5-xCl1+x锂离子电导率的影响. 矿冶工程杂志, 2026 , 46 (4) : 222 -225 . DOI: 10.3969/j.issn.0253-6099.2026.04.034
Jiaqiang ZHANG, Zexiao MAO, Hong LIAO, Gang LEI, Bowei JU. Influence of Element Stoichiometry and Sintering Temperature on Lithium-Ion Conductivity of Sulfide Solid Electrolyte Li6-xPS5-xCl1+x[J]. Mining and Metallurgical Engineering, 2026 , 46 (4) : 222 -225 . DOI: 10.3969/j.issn.0253-6099.2026.04.034
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Year 2026 volume 46 Issue 4
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doi: 10.3969/j.issn.0253-6099.2026.04.034
  • Receive Date：2026-01-30
  • Online Date：2026-10-08
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  • Received：2026-01-30
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    Changsha Research Institute of Mining and Metallurgy Co., Ltd., Changsha 410012, Hunan, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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