JP2020502775A - フロー電池における電解質の貯蔵および故障の検出のためのシステムおよび方法 - Google Patents
フロー電池における電解質の貯蔵および故障の検出のためのシステムおよび方法 Download PDFInfo
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Abstract
Description
本出願は、2016年12月19日に出願された「Systems and Methods for Electrolyte Storage and Detecting Faults in Flow Batteries」という名称の米国特許仮出願第62/436,388号の優先権を主張する。さらに、本出願は、「Large Scale Flow Battery System」という名称の2016年12月19日に出願された米国特許仮出願第62/436,365号および「Modular and Scalable Flow Battery System」という名称の2016年12月19日に出願された米国特許仮出願第62/436,347号の優先権を主張する。これらの出願の各々の全体は、ここで参照により本明細書に組み入れられる。
発電システムのフロー電池において電解質を貯蔵するための貯蔵コンテナ、ならびにフロー電池内の故障を検出するための方法およびシステムが提供される。
典型的なフロー電池システムは、フロー電池スタックと、アノード液リザーバと、カソード液リザーバとを含む。アノード溶液が、アノード液リザーバとフロー電池スタックとの間を循環する。カソード溶液が、カソード液リザーバとフロー電池スタックとの間を循環する。
コンテナの内部に対して直接成形されたライナ部材を含むフロー電池システム用の貯蔵コンテナを含む種々の方法および装置が提供される。電解質を貯蔵するライナ部材付きの貯蔵コンテナを有するフロー電池システムは、フロー電池システムにおける漏れの位置を正確に特定するように構成された故障検出システムを含む。
次に、本明細書に開示される装置および方法の構造、機能、製造、および使用の原理の全体的な理解をもたらすために、特定の例示的な態様を説明する。これらの態様の1つまたは複数の例が、添付の図面に示されている。本明細書において具体的に説明され、添付の図面に示される装置および方法が、非限定的な例示的態様であり、本発明の範囲は、特許請求の範囲によってのみ定義されることを、当業者であれば理解できるであろう。或る例示的な態様に関連して図示または説明される特徴を、他の態様の特徴と組み合わせることが可能である。そのような修正および変形は、本発明の範囲に包含されるように意図される。
Claims (20)
- 少なくとも1つのセルスタックと、
前記少なくとも1つのセルスタックに接続された少なくとも1対の貯蔵コンテナであって、前記貯蔵コンテナの各々が
硬質シェルと、
前記硬質シェルの内壁の少なくとも一部分に直接接合されており、かつ液体電解質を保持するように構成されたエンクロージャを形成している、ライナ部材と
を有する、少なくとも1対の貯蔵コンテナと、
前記貯蔵コンテナのうちの少なくとも1つにおける故障を検出するように構成された故障検出システムと
を備えるフロー電池システム。 - 前記故障検出システムは、検出された前記故障の位置を検出するように構成されている、請求項1記載のフロー電池システム。
- 前記故障は、前記ライナ部材を通した前記液体電解質の少なくとも1つの漏れを含む、請求項1記載のフロー電池システム。
- 前記ライナ部材は、前記硬質シェルの前記内壁に対して回転成形されている、請求項1記載のフロー電池システム。
- 前記電解質はアノード液またはカソード液を含む、請求項1記載のフロー電池システム。
- 前記硬質シェルは金属から形成されている、請求項1記載のフロー電池システム。
- 前記金属は鋼を含む、請求項6記載のフロー電池システム。
- 前記金属はアルミニウムを含む、請求項6記載のフロー電池システム。
- 前記鋼はステンレス鋼または炭素鋼を含む、請求項7記載のフロー電池システム。
- フロー電池はバナジウムレドックスフロー電池を含む、請求項1記載のフロー電池システム。
- 前記ライナ部材は、高密度ポリエチレン、中密度ポリエチレン、低密度ポリエチレン、ポリプロピレン、エポキシ、ビニルエステル、およびガラスから選択される少なくとも1つの材料から形成されている、請求項1記載のフロー電池システム。
- 前記故障検出システムは、
フロー電池内の選択された位置に配置された複数のセンサと、
前記フロー電池システムを通して或る周波数範囲の複数のプローブ信号を送信するように構成された少なくとも1つの信号源と、
前記複数のプローブ信号の送信に応答して受信される少なくとも1つの戻り信号を受信するように構成された少なくとも1つの検出器と、
前記少なくとも1つの検出器によって受信された前記戻り信号を分析して、前記戻り信号が前記フロー電池システム内の漏れが検出されたことを示しているかどうかを判定し、
前記漏れが検出された場合に、前記複数のセンサの各々から前記漏れまでの距離を示す距離値を生成し、
前記距離値に基づいて前記フロー電池システムにおける前記漏れの位置を決定する
ように構成された少なくとも1つのプロセッサと
を含む、請求項2記載のフロー電池システム。 - 前記センサの各々は、該センサと前記フロー電池内の前記電解質の全体との間に容量結合を形成する、請求項12記載のフロー電池システム。
- 前記複数のプローブ信号は無線周波数信号を含む、請求項12記載のフロー電池システム。
- 前記検出器によって受信された前記少なくとも1つの戻り信号は、複素インピーダンスを含む、請求項12記載のフロー電池システム。
- 前記複素インピーダンスは、実部としての抵抗および虚部としてのリアクタンスを含む、請求項15記載のフロー電池システム。
- 前記リアクタンスにおけるピークまたはディップが、前記漏れを示す、請求項16記載のフロー電池システム。
- 前記検出器および前記プロセッサは、同じ装置内に含まれている、請求項12記載のフロー電池システム。
- 前記プロセッサは、前記決定された位置における前記漏れの発生を示す警報を提供するように構成されている、請求項12記載のフロー電池システム。
- 少なくとも1つの信号源に、フロー電池内の選択された位置に配置された複数のセンサを備えたフロー電池システムを通して、或る周波数範囲の複数のプローブ信号を送信させる工程;
前記複数のプローブ信号の送信に応答して生成された少なくとも1つの戻り信号を受信する工程;
前記戻り信号を分析して、前記戻り信号が前記フロー電池システム内の漏れが検出されたことを示しているかどうかを判定する工程;
前記漏れが検出された場合に、前記漏れと前記センサの各々との間の距離を示す距離値を決定する工程;および
前記距離値に基づいて前記フロー電池システムにおける前記漏れの位置を決定する工程
を含む、フロー電池システムを動作させる方法。
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