JP2022114430A - リチウムイオン電池の電解質及び製造方法 - Google Patents
リチウムイオン電池の電解質及び製造方法 Download PDFInfo
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- JP2022114430A JP2022114430A JP2021175364A JP2021175364A JP2022114430A JP 2022114430 A JP2022114430 A JP 2022114430A JP 2021175364 A JP2021175364 A JP 2021175364A JP 2021175364 A JP2021175364 A JP 2021175364A JP 2022114430 A JP2022114430 A JP 2022114430A
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- Prior art keywords
- epoxy resin
- glyceryl ether
- electrolyte
- polymer
- ion battery
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Images
Classifications
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
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- H—ELECTRICITY
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
Description
10 グリセリルエーテルエポキシ樹脂ゲル
12 グリセリルエーテルエポキシ樹脂
14 電解質溶液
142 リチウム塩
144 非水溶媒
20 リチウムイオン電池電解質の酸化電位の測定装置
201 空洞
202 測定ユニット
203 検出器
204 処理ユニット
205 ディスプレイ
2021 第一赤外線窓
2022 正極プレート
2023 負極プレート
2024 第二赤外線窓
Claims (5)
- リチウムイオン電池電解質は、グリセリルエーテルエポキシ樹脂ゲルを含み、該グリセリルエーテルエポキシ樹脂ゲルは、グリセリルエーテルエポキシ樹脂及び電解質溶液を含み、
前記グリセリルエーテルエポキシ樹脂は、エテロキシ基を含み、グリセリルエーテルポリマー及びポリアミン化合物が開環反応をすることによって得られた架橋ポリマーであり、前記グリセリルエーテルポリマーは、グリシジルエーテルポリマーであり、該グリシジルエーテルポリマーは、少なくとも2つのエポキシ基を含み、前記ポリアミン化合物は、少なくとも2つのアミン基を含み、前記架橋ポリマーは、三次元ネットワーク構造であり、主鎖と複数のヒドロキシル基を含み、該架橋ポリマーにおける複数のヒドロキシル基は、前記架橋ポリマーの主鎖に位置し、且つ前記グリセリルエーテルポリマーのエポキシ基は、前記架橋ポリマーの主鎖に位置し、
前記電解質溶液は、リチウム塩及び非水溶媒を含み、前記リチウム塩は、前記グリセリルエーテルエポキシ樹脂の三次元ネットワーク構造に散在され、且つ前記リチウム塩及び前記グリセリルエーテルエポキシ樹脂は、前記非水溶媒に分散されることを特徴とするリチウムイオン電池電解質。 - 前記グリセリルエーテルポリマーは、ポリエチレングリコールジグリシジルエーテルであり、前記ポリアミン化合物は、ポリエーテルアミンであることを特徴とする請求項1に記載のリチウムイオン電池電解質。
- グリセリルエーテルポリマー及びポリアミン化合物を提供し、前記グリセリルエーテルポリマーは、グリシジルエーテルポリマーであり、該グリシジルエーテルポリマーが少なくとも2つのエポキシ基を含み、前記ポリアミン化合物は、少なくとも2つのアミン基を含む第一ステップと、
前記グリセリルエーテルポリマーと前記ポリアミン化合物を混合し、前駆体を形成する第二ステップと、
基板の表面に前記前駆体をコーティングする第三ステップと、
前記表面に前記前駆体がコーティングされた基板を特定温度に加熱し、該特定温度のもとで一定時間維持して、グリセリルエーテルエポキシ樹脂を得、該グリセリルエーテルエポキシ樹脂がエテロキシ基を含む第四ステップと、
前記グリセリルエーテルエポキシ樹脂を前記電解質溶液に浸漬し、グリセリルエーテルエポキシ樹脂ゲルを得、それによって、リチウムイオン電池電解質を得ることを特徴とするリチウムイオン電池電解質の製造方法。 - 前記第二ステップにおいて、前記グリセリルエーテルポリマーと前記ポリアミン化合物は、質量比が1:4~4:5であることに従って、混合することを特徴とする請求項3に記載のリチウムイオン電池電解質の製造方法。
- 前記グリセリルエーテルエポキシ樹脂ゲルは、架橋ポリエチレングリコールベースのエポキシ樹脂ゲルであり、該架橋ポリエチレングリコールベースのエポキシ樹脂ゲルの製造方法は、エポキシ当量とアミンの当量が等しいことに従って、ポリエチレングリコールジグリシジルエーテル及びポリエーテルアミンを準備し、前記ポリエチレングリコールジグリシジルエーテル及び前記ポリエーテルアミンを質量比が2:5であることに従って混合し、55℃~60℃で12~48時間磁気的に攪拌し、前駆体を形成し、該前駆体をポリテトラフルオロビニル基板の表面にコーティングし、前記表面に前記前駆体がコーティングされたポリテトラフルオロビニル基板を80℃~90℃に加熱し、80℃~90℃で30~55時間保持し、架橋ポリエチレングリコールベースのエポキシ樹脂を生成し、前記架橋ポリエチレングリコールベースのエポキシ樹脂を前記電解質溶液に浸漬し、浸漬時間が2時間より長いであり、架橋ポリエチレングリコールベースのエポキシ樹脂ゲルを得ることを特徴とする請求項3に記載のリチウムイオン電池電解質の製造方法。
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