A Stabilized, Intrinsically Safe, 10% Efficient, Solar‐Driven Water‐Splitting Cell Incorporating Earth‐Abundant Electrocatalysts with Steady‐State pH Gradients and Product Separation Enabled by a Bipolar Membrane | Zendy

Sun Ke | Zendy; Liu Rui | Zendy; Chen Yikai | Zendy; Verlage Erik | Zendy; Lewis Nathan S. | Zendy; Xiang Chengxiang | Zendy

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A Stabilized, Intrinsically Safe, 10% Efficient, Solar‐Driven Water‐Splitting Cell Incorporating Earth‐Abundant Electrocatalysts with Steady‐State pH Gradients and Product Separation Enabled by a Bipolar Membrane

Author(s) -

Sun Ke,

Liu Rui,

Chen Yikai,

Verlage Erik,

Lewis Nathan S.,

Xiang Chengxiang

Publication year - 2016

Publication title -

advanced energy materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.08

H-Index - 220

eISSN - 1614-6840

pISSN - 1614-6832

DOI - 10.1002/aenm.201600379

Subject(s) - water splitting , hydrogen , materials science , nanotechnology , photoelectrochemical cell , tandem , chemical engineering , biochemical engineering , catalysis , chemistry , photocatalysis , organic chemistry , electrode , engineering , electrolyte , composite material

An efficient, stable, and intrinsically safe solar water‐splitting device is demonstrated using a III–V tandem junction photoanode, an acid‐stable, earth‐abundant hydrogen evolution catalyst, and a bipolar membrane. The integrated photoelectrochemical cell operates under a steady‐state pH gradient and achieves ≈10% solar‐to‐hydrogen conversion efficiency, >100 h of stability in a large (>1 cm 2 ) photoactive area in relation to most previous reports.

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