An integrated solar battery based on a charge storing 2D carbon nitride

Gouder, Andreas; Podjaski, Filip; Jiménez‐Solano, Alberto; Kröger, Julia; Wang, Yan; Lotsch, Bettina V.

doi:10.1039/d2ee03409c

Cited by 18 publications

(27 citation statements)

References 54 publications

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“…This review does not cover this area and the interested readers can refer to the excellent works of Prof. Bettina V. Lotsch. 41–44…”

Section: General Concept and Principles Of Coupled Solar Batterymentioning

confidence: 99%

“…This review does not cover this area and the interested readers can refer to the excellent works of Prof. Bettina V. Lotsch. [41][42][43][44] 3. Photoelectrochemical storage materials: coupling photo-carriers to redox reactions Photoelectrochemical storage materials are those designed with a photoelectric conversion unit for light absorption and photo-carriers production and a redox-active unit for storing photo-carriers.…”

Section: General Concept and Principles Of Coupled Solar Batterymentioning

confidence: 99%

“…This innovative material combines two important optoelectronic properties, including light capturing (band gap of 2.76 eV) and electrical energy storage, to be used as a photo-anode for a full solar battery. 41,42 The PHI's pore size of 3.8 Å is highly advantageous for Na + (1.84 Å) and K + (1.25 Å) penetration into the structural pores, thus enabling the stabilization of electron storage. Upon light excitation, the photogenerated holes are moved to the counter electrode through an appropriate hole shuttle.…”

Section: These Photoelectrochemical Storage Materials Demonstratementioning

confidence: 99%

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A perspective on photoelectrochemical storage materials for coupled solar batteries

Tan

Zhang

Lin

et al. 2023

Energy Environ. Sci.

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“…This review does not cover this area and the interested readers can refer to the excellent works of Prof. Bettina V. Lotsch. 41–44…”

Section: General Concept and Principles Of Coupled Solar Batterymentioning

confidence: 99%

Section: General Concept and Principles Of Coupled Solar Batterymentioning

confidence: 99%

Section: These Photoelectrochemical Storage Materials Demonstratementioning

confidence: 99%

See 1 more Smart Citation

A perspective on photoelectrochemical storage materials for coupled solar batteries

Tan

Zhang

Lin

et al. 2023

Energy Environ. Sci.

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show abstract

“…On the contrary, illumination during discharging (dLE) does not significantly affect the extracted charge or discharging power. Numerous examples of GCD signatures for IEC ,, and VEC − can be found in the literature and will be discussed in more detail in the last section.…”

Section: The Solar Battery Experimentsmentioning

confidence: 99%

“…(b) IEC based solar battery with the carbon nitride K-PHI as BAM with internal charge transfer reported recently by us shows light operation modes with larger apparent capacity. Reproduced from ref . Copyright Royal Society of Chemistry 2023.…”

Section: Design Philosophy For Solar Batteries: Improving Power or En...mentioning

confidence: 99%

Integrated Solar Batteries: Design and Device Concepts

Gouder

Lotsch

2023

ACS Energy Lett.

Self Cite

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Solar batteries present an emerging class of devices which enable simultaneous energy conversion and energy storage in one single device. This high level of integration enables new energy storage concepts ranging from short-term solar energy buffers to light-enhanced batteries, thus opening up exciting vistas for decentralized energy storage. The dynamics of this emerging field has engendered a number of different solar battery designs, which significantly differ not only in the charge storage mechanism but also in terms of device design. Herein, we first discuss the fundamental electrochemical signature of these devices, revisit the reported solar battery concepts, and categorize them in a set of five designs by carving out key similarities in how electric and light charging fluxes interact, classifying them either as charge efficient or power efficient charging devices. We then rediscuss solar batteries in the context of our classification scheme and propose design guidelines for solar batteries.

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Photochargeable Semiconductors: in “Dark Photocatalysis” and Beyond

Rogolino

Savateev

2023

Adv Funct Materials

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Photochargeable semiconductors enable energy harvesting and storage in a single material. Charges separated upon absorption of photons can accumulate in highly energetic trap states if morphology, size, and chemical composition are appropriately chosen. For example, electrons can survive for several hours if hole scavengers are used to prevent their recombination with photogenerated holes, and their negative charge is balanced by positive counter‐ions. The first database of charge‐storing semiconductors is recently released, containing information from more than 50 publications within the past 40 years. Now, the database has been updated with more than 90 entries from the latest works on the topic. These materials have been largely utilized in the context of “dark photocatalysis”, that is, redox reactions enabled by photocharged semiconductors long after cessation of light irradiation. Nevertheless, a variety of further potential applications have not received enough visibility, including memory storage, steel anti‐corrosion, sensors, and micromotors. In this review, the key figures of merit of photocharged semiconductors and the empirical relationships found between them is highlighted. After showing the latest advances in dark photocatalysis, it is discussed how other application fields may benefit from these materials. For each area, promising research directions based on the findings from the database are recommended.

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An integrated solar battery based on a charge storing 2D carbon nitride

Abstract: Solar batteries capable of harvesting sunlight and storing solar energy present an attractive vista to transition our energy infrastructure into a sustainable future. Here we present an integrated, fully earth-abundant...

Cited by 18 publications

References 54 publications

A perspective on photoelectrochemical storage materials for coupled solar batteries

A perspective on photoelectrochemical storage materials for coupled solar batteries

Integrated Solar Batteries: Design and Device Concepts

Photochargeable Semiconductors: in “Dark Photocatalysis” and Beyond

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