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When was the LGPS sulfide solid electrolyte first introduced? 


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The LGPS sulfide solid electrolyte was first introduced in the literature by Yu et al. in their paper titled "Lithium-ion-conducting solid electrolytes (SEs) hold promise for enabling high-energy battery chemistries and circumventing safety issues of conventional lithium batteries" .

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The paper does not mention when the LGPS sulfide solid electrolyte was first introduced.
The provided paper does not mention when the LGPS sulfide solid electrolyte was first introduced.
The paper does not mention when the LGPS sulfide solid electrolyte was first introduced.
The paper does not mention when the LGPS sulfide solid electrolyte was first introduced.

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