Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation

Atsushi Unemoto; Genki Nogami; Masaru Tazawa; Mitsugu Taniguchi; Shin Ichi Orimo

doi:10.2320/jinstmet.JD201601

Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation

Atsushi Unemoto, Genki Nogami, Masaru Tazawa, Mitsugu Taniguchi, Shin Ichi Orimo

Research output: Contribution to journal › Article › peer-review

Abstract

We have operated a 4 V-class bulk-type, all-solid-state LiCoO₂/Li battery at room temperature. The composition consisted of a Li₄ (BH₄)₃I complex hydride electrolyte for the electrolyte layer, and a 80Li₂S 20P₂S₅ sulfide glass for an electrolyte in the positive electrode layer. The battery assembled exhibited a 92 mAh·g^-1 initial discharge capacity at 298 K and 0.1 C. The discharge capacity for the 20^th cycle remained as high as 83 mAh·g^-1, corresponding to a capacity retention ratio of nearly 90%.

Original language	English
Pages (from-to)	720-725
Number of pages	6
Journal	Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume	80
Issue number	12
DOIs	https://doi.org/10.2320/jinstmet.JD201601
Publication status	Published - 2016

Keywords

All-solid-state battery
Bulk-type
Complex hydride electrolyte
Room temperature operation
Sulfide electrolyte

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10.2320/jinstmet.JD201601

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Unemoto, A., Nogami, G., Tazawa, M., Taniguchi, M., & Orimo, S. I. (2016). Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation. Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, 80(12), 720-725. https://doi.org/10.2320/jinstmet.JD201601

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title = "Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation",

abstract = "We have operated a 4 V-class bulk-type, all-solid-state LiCoO2/Li battery at room temperature. The composition consisted of a Li4 (BH4)3I complex hydride electrolyte for the electrolyte layer, and a 80Li2S 20P2S5 sulfide glass for an electrolyte in the positive electrode layer. The battery assembled exhibited a 92 mAh·g-1 initial discharge capacity at 298 K and 0.1 C. The discharge capacity for the 20th cycle remained as high as 83 mAh·g-1, corresponding to a capacity retention ratio of nearly 90%.",

keywords = "All-solid-state battery, Bulk-type, Complex hydride electrolyte, Room temperature operation, Sulfide electrolyte",

author = "Atsushi Unemoto and Genki Nogami and Masaru Tazawa and Mitsugu Taniguchi and Orimo, {Shin Ichi}",

note = "Publisher Copyright: {\textcopyright} 2016 The Japan Institute of Metals and Materials.",

year = "2016",

doi = "10.2320/jinstmet.JD201601",

language = "English",

volume = "80",

pages = "720--725",

journal = "Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals",

issn = "0021-4876",

publisher = "Japan Institute of Metals (JIM)",

number = "12",

}

Unemoto, A, Nogami, G, Tazawa, M, Taniguchi, M & Orimo, SI 2016, 'Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation', Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, vol. 80, no. 12, pp. 720-725. https://doi.org/10.2320/jinstmet.JD201601

Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation. / Unemoto, Atsushi; Nogami, Genki; Tazawa, Masaru et al.
In: Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, Vol. 80, No. 12, 2016, p. 720-725.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation

AU - Unemoto, Atsushi

AU - Nogami, Genki

AU - Tazawa, Masaru

AU - Taniguchi, Mitsugu

AU - Orimo, Shin Ichi

PY - 2016

Y1 - 2016

N2 - We have operated a 4 V-class bulk-type, all-solid-state LiCoO2/Li battery at room temperature. The composition consisted of a Li4 (BH4)3I complex hydride electrolyte for the electrolyte layer, and a 80Li2S 20P2S5 sulfide glass for an electrolyte in the positive electrode layer. The battery assembled exhibited a 92 mAh·g-1 initial discharge capacity at 298 K and 0.1 C. The discharge capacity for the 20th cycle remained as high as 83 mAh·g-1, corresponding to a capacity retention ratio of nearly 90%.

AB - We have operated a 4 V-class bulk-type, all-solid-state LiCoO2/Li battery at room temperature. The composition consisted of a Li4 (BH4)3I complex hydride electrolyte for the electrolyte layer, and a 80Li2S 20P2S5 sulfide glass for an electrolyte in the positive electrode layer. The battery assembled exhibited a 92 mAh·g-1 initial discharge capacity at 298 K and 0.1 C. The discharge capacity for the 20th cycle remained as high as 83 mAh·g-1, corresponding to a capacity retention ratio of nearly 90%.

KW - All-solid-state battery

KW - Bulk-type

KW - Complex hydride electrolyte

KW - Room temperature operation

KW - Sulfide electrolyte

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M3 - Article

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SN - 0021-4876

VL - 80

SP - 720

EP - 725

JO - Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals

JF - Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals

IS - 12

ER -

Development of 4 V-class bulk-type all-solid-state lithium rechargeable batteries by a combined use of complex hydride and sulfide electrolytes for room temperature operation

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