JP2023007293A - 長方形の幾何学的セルに電気エネルギーを貯蔵するための電気化学デバイス - Google Patents
長方形の幾何学的セルに電気エネルギーを貯蔵するための電気化学デバイス Download PDFInfo
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
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- 229910021645 metal ion Inorganic materials 0.000 claims description 22
- 238000001465 metallisation Methods 0.000 claims description 11
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- 238000000034 method Methods 0.000 claims description 8
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- 239000003990 capacitor Substances 0.000 claims description 7
- 150000002500 ions Chemical class 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000007784 solid electrolyte Substances 0.000 claims description 5
- 239000010405 anode material Substances 0.000 claims description 3
- 230000001351 cycling effect Effects 0.000 claims description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 238000009830 intercalation Methods 0.000 claims description 2
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- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
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- 230000001590 oxidative effect Effects 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
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Abstract
Description
-セルの内部抵抗の増加。
-これらの設計の全てにおいて、電流コレクタは、2つの電極間のイオン輸送によって生じるエネルギー密度の流れに垂直である。
2 金属板
3 金属支持グリッド
4 密閉された頑強な筐体
4.1 前側
4.2 後側
5 中空金属貫通ロッド
6 電極スタック
7 コンテナの上部カバー
8 金属チャンバ
9 電極接続部
10 正極
11 負極
12 セパレート紙
13 金属イオンシート
14 金属基板
16 貫通孔
Claims (11)
- 狭いスタック幾何学形状の長方形の幾何学的セルに電気エネルギーを貯蔵するための電気化学デバイスであって、
機械的強度を有し酸化状態に耐性がある材料から作られた直線状で頑丈な長方形の平行6面体状の筐体(4)を備え、前記筐体(4)は密閉する必要があり、構成要素の他の部分を収容し、頑強な前記筐体(4)は、
基部(1)の底部における金属基板(14)の上を伸び及び前記基部の貫通孔(16)を通って伸びる2つの中空金属ロッド(5)を有する、基部(1)であって、正極が挿入され、続いて、セパレート要素等がある一方で、他の中空金属バー(5)によって、負極が挿入され、続いて、セパレート要素等があり、必要な数の電極は小さなスペース内で積み重ねられることができ、狭いスタック幾何学形状の電極スタック(6)を形成し、前記電極スタック(6)は、前記電気化学デバイスの中心構造を形成する前記基部(1)に適合し、前記中空金属ロッド(5)は電流コレクタとして働く、基部(1)と、
金属板(2)が組み込まれた内側(8)に穴を有する、2つの前面(4.1)及び後面(4.2)であって、前記金属板(2)に、金属イオンシート(13)を有し、前記金属イオンシート(13)の取付具として、グリッド(3)を使用して、前記金属イオンシート(13)は前記金属板(2)にねじ締めされ、前記金属イオンシート(13)に対して相互に挟着する、2つの中央穴を有する前記金属板(2)は、金属ピンによって前記金属イオンシート(13)の外部接続部(9)を形成する役割をする、2つの前面(4.1)及び後面(4.2)と、
カバー(7)と、から成る、電気化学デバイス。 - 前記電気化学デバイスは、リチウム、ナトリウム、またはエネルギー蓄積デバイスに適切ないずれかの種類の金属の金属イオンシート(13)を有することを特徴とする、請求項1に記載の電気化学デバイス。
- アノードとして働く前記電極は前記ロッド上で連続して挿入され、残りの全てのフラップが同じ側にあり、カソードとして働く電極は、全て、反対側のロッド上で挿入され、これにより、前記ロッドの一方は全てのアノードを相互接続させ、前記ロッドの他方は全てのカソードを相互接続させる、請求項1に記載の電気化学デバイス。
- 前記グリッド(3)は、前記金属イオンシート(13)を、前記チャンバ(8)に組み込まれている前記金属板(2)に対して押し、前記前記金属板(2)は外部コレクタ(9)の1つに接触し、これにより、電流をベースラインコレクタ(9)の1つに印加するとき、均等な電流分布が前記金属イオンシート(13)に至るまで発生し、前記金属シートは前記電気化学デバイスの内側で作用し始め、前記グリッド(3)は、角の端に存在する4つの穴によって前記金属板(2)にねじ締めされ、前記金属イオンシート(13)は前記金属板(2)と前記グリッド(3)との間で挟着される、請求項1に記載の電気化学デバイス。
- 前記金属板(2)の2つの中央穴は、前記金属イオンシート(13)の前記外部接続部(9)を形成する役割をしており、前記外部接続部は、ねじ、ピン、もしくはいずれかの他の同様の金属要素によって作られる、請求項1に記載の電気化学デバイス。
- いったん金属イオンシート(13)が前記電気化学デバイスのサイドカバー(4.1、4.2)に組み込まれると、前記サイドカバー(4.1、4.2)は、前記サイドカバーの内側で前記電気化学デバイスの前記中心構造を適合させることによって密閉され、前記中心構造は、不活性雰囲気で前記金属イオンプレート(13)の酸化を防止する前記スタック及び金属貫通ロッド(5)と、最後に、前記電解液とを含み、また全てが、不活性雰囲気で前記上部カバー(7)を密閉する、請求項5に記載の電気化学デバイス。
- 係る幾何学形状は、前記電気化学デバイスを再度開く必要がなく、電解質界面を作成するのに必要な事前金属化段階と、前記電気化学デバイスで後続の循環段階とを実行することを可能にし、この理由として、前記サイドカバー(4.1)及び(4.2)に位置する前記コレクタ(9)は、前記事前金属化段階を実行することを可能にし、負電流コレクタとして働くためであり、前記コレクタ(9)は電源の陰極及び前記金属貫通ロッド(5)に接続される必要があり、前記金属貫通ロッド(5)は前記電気化学デバイスのアノードとして働く全ての電極を電流の陽極に相互接続し、アノード材料の構造でイオンインターカレーションプロセスを生じさせ、固体電解質界面(SEI)の作成をもたらし、前記電気化学デバイスを開く必要はないが、前記電気化学デバイスの前記アノード及び前記カソードが前記貫通ロッド(5)によって直接接続されることにより、充電及び放電の循環プロセスが前記アノードと前記カソードとの間で行われる、請求項6に記載の電気化学デバイス。
- カソードとして働く前記全ての電極を相互接続する前記金属ロッド(5)は、前記電源の前記陽極に接続される、請求項6に記載の電気化学デバイス。
- 前記電気化学デバイスの内部挙動の監視を実施するために、補助接続部が前記コレクタ(9)のいずれかに作られる、請求項1に記載の電気化学デバイス。
- この狭いスタックの幾何学形状設定は、いずれかの種類のエネルギー蓄積デバイス、いずれかの電池、電気コンデンサまたはハイブリッドコンデンサに有効である、請求項1に記載の電気化学デバイス。
- 前記中空金属ロッド(5)は、空気または冷却液を前記中空金属ロッド(5)の中空内部を通して循環させるとき、アセンブリを冷却する手段として働く、請求項1に記載の電気化学デバイス。
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EP21182750.6A EP4113556B1 (en) | 2021-06-30 | 2021-06-30 | Lithium/sodium electrochemical device for storing electrical energy in rectangular geometric cells |
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