Influence of water content on properties of a heterogeneous bipolar membrane

Nugent, David; Křivčík, Jan; Válek, Robert; Stránská, Eliška; Marek, Jaromír

doi:10.1080/19443994.2014.981412

Cited by 3 publications

(4 citation statements)

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“…A study has compared two types of heterogeneous bipolar ion exchange membranes made of powdered ion-exchange resin with varying water contents. 164 The findings revealed that the membranes with a higher water content exhibited approximately 25% higher performance at the stack. Using nanoporous membranes is another strategy to facilitate efficient water dissociation.…”

Section: Enhancement Strategies Of Seawater Splitting Using Bipolar M...mentioning

confidence: 94%

“…In addition to fixed charge density, the water content significantly impacts the water dissociation reaction. A study has compared two types of heterogeneous bipolar ion exchange membranes made of powdered ion-exchange resin with varying water contents . The findings revealed that the membranes with a higher water content exhibited approximately 25% higher performance at the stack.…”

Section: Enhancement Strategies Of Seawater Splitting Using Bipolar M...mentioning

confidence: 99%

“…For instance, membranes with higher water content have demonstrated superior performance, highlighting the importance of membrane hydration in BPM functionality. 164 Moreover, the use of nanoporous membranes, which offer enhanced ion transport and promote water dissociation, represents a promising avenue for design optimization. 159 Engineering the structure of BPMs by combining different types of membranes can lead to improved water dissociation.…”

Section: Performance Evaluation Of Bipolar Membrane Seawater Splittin...mentioning

confidence: 99%

“…Research has indicated that factors such as fixed charge density at the bipolar junction and water content within the membranes significantly influence the water splitting efficiency. For instance, membranes with higher water content have demonstrated superior performance, highlighting the importance of membrane hydration in BPM functionality . Moreover, the use of nanoporous membranes, which offer enhanced ion transport and promote water dissociation, represents a promising avenue for design optimization …”

Section: Performance Evaluation Of Bipolar Membrane Seawater Splittin...mentioning

confidence: 99%

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Bipolar Membrane Seawater Splitting for Hydrogen Production: A Review

Adisasmito,

Khoiruddin,

Sutrisna

et al. 2024

ACS Omega

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The growing demand for clean energy has spurred the quest for sustainable alternatives to fossil fuels. Hydrogen has emerged as a promising candidate with its exceptional heating value and zero emissions upon combustion. However, conventional hydrogen production methods contribute to CO 2 emissions, necessitating environmentally friendly alternatives. With its vast potential, seawater has garnered attention as a valuable resource for hydrogen production, especially in arid coastal regions with surplus renewable energy. Direct seawater electrolysis presents a viable option, although it faces challenges such as corrosion, competing reactions, and the presence of various impurities. To enhance the seawater electrolysis efficiency and overcome these challenges, researchers have turned to bipolar membranes (BPMs). These membranes create two distinct pH environments and selectively facilitate water dissociation by allowing the passage of protons and hydroxide ions, while acting as a barrier to cations and anions. Moreover, the presence of catalysts at the BPM junction or interface can further accelerate water dissociation. Alongside the thermodynamic potential, the efficiency of the system is significantly influenced by the water dissociation potential of BPMs. By exploiting these unique properties, BPMs offer a promising solution to improve the overall efficiency of seawater electrolysis processes. This paper reviews BPM electrolysis, including the water dissociation mechanism, recent advancements in BPM synthesis, and the challenges encountered in seawater electrolysis. Furthermore, it explores promising strategies to optimize the water dissociation reaction in BPMs, paving the way for sustainable hydrogen production from seawater.

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Section: Enhancement Strategies Of Seawater Splitting Using Bipolar M...mentioning

confidence: 94%

Section: Enhancement Strategies Of Seawater Splitting Using Bipolar M...mentioning

confidence: 99%