Heterojunction battery conversion
Type-II heterojunction photocathode for CO2 reduction and light-assisted metal–CO2 batteries …
Here, for the first time we report a one-dimensional Fe 2 O 3 /Cu 2 O type-II heterojunction nanowire photocathode for light-assisted metal–CO 2 batteries. With this new photocathode, a Li–CO 2 battery can achieve an ultralow voltage gap of 0.19 V and a superior round-trip efficiency of 88% after 260 cycles under irradiation of full sunlight (AM …
Achieving job-synergistic polysulfides adsorption-conversion within hollow structured MoS2/Co4S3/C heterojunction …
Achieving job-synergistic polysulfides adsorption-conversion within hollow structured MoS 2 /Co 4 S 3 /C heterojunction host for long-life lithium–sulfur batteries Author links open overlay panel Fangyuan Li a, Yujie Wu a, Yongxian Lin a, Junhao Li a, Yajie Sun a, Haoxiong Nan b, Ming Wu a, Huafeng Dong c, Kaixiang Shi …
Achieving a smooth "adsorption-diffusion-conversion" of polysulfides enabled by MnO2-ZnS p-n heterojunction for Li-S battery …
Benefiting from the above-mentioned superiorities, Li-S batteries modified with MnO 2-ZnS heterojunction demonstrate satisfactory long-term stability and rate performance (811.1 mAh g −1 at 2.0C, stable 1000 cycles …
Title: Nanostructured Fe2O3/CuxO Heterojunction for Enhanced …
View a PDF of the paper titled Nanostructured Fe2O3/CuxO Heterojunction for Enhanced Solar Redox Flow Battery Performance, by Jiaming Ma (1) and 7 other …
LONGi Sets a New World Record of 27.09% for the Efficiency of Silicon Heterojunction …
Xi''an, December 18, 2023-The world-leading solar technology company, LONGi Green Energy Technology Co., Ltd. (hereafter as "LONGi"), announced today that it has set a new world record of 27.09% for the efficiency of crystalline silicon heterojunction back-contact (HBC) solar cells, certified by the Institute for Solar Energy Research Hamelin (ISFH) in …
High-performance heterojunction Ti3C2/CoSe2 with both intercalation and conversion storage mechanisms for magnesium batteries …
High-performance heterojunction Ti 3 C 2 /CoSe 2 with both intercalation and conversion storage mechanisms for magnesium batteries Author links open overlay panel Fanfan Liu a b, Tiantian Wang b, Xiaobin Liu b, Nan Jiang b, Li-Zhen Fan b
A Mott–Schottky Heterojunction with Strong Chemisorption and Fast Conversion Effects for Room‐Temperature Na–S Batteries …
The enhanced chemisorption effect of Fe, the fast electrocatalytic effect of FeS 2, and the fast transfer effect of the built-in electric field within the Fe/FeS 2 heterojunction in the cathode of RT Na–S batteries work together to effectively improve the electrochemical
Betavoltaic battery based on reduced-Graphene-Oxide/Si heterojunction
We present a new beta voltaic cell based on reduced Graphene Oxide (rGO)/Si heterojunction. • The cell shows a high conversion efficiency of 3.9% under exposure of beta radioisotope Ni 63. The open circuit voltage and short circuit current of the cell are 34 mV 0. ...
LONGi Sets a New World Record of 27.09% for the Efficiency of …
The 27.09% efficiency HBC cell was developed independently in LONGi using an all-laser patterning process. This is a new world record for single-crystalline …
Ultrathin p–n type Cu2O/CuCoCr-layered double hydroxide heterojunction nanosheets for photo-assisted aqueous Zn–CO2 batteries …
As one of the promising avenues for resource utilization of CO2, photo-assisted Zn–CO2 batteries can not only consume CO2 to alleviate environmental problems, but also generate high-value chemicals and at the same time realize the generation of electrical energy. This technology can be described as "shoot tw
Theoretical study of a high-efficiency GaP–Si heterojunction …
The quest for a viable nuclear battery began soon after the discovery of radiation in the early 1900s, and a betavoltaic battery was first demonstrated in the 1950s. 1,2 The principles of operation of a betavoltaic battery are similar to those of a solar cell in many respects. 2,4 A betavoltaic battery is a semiconductor energy conversion device …
Theoretical investigation of high-efficiency GaN–Si heterojunction …
In this research, a heterojunction photovoltaic cell is used to increase collection efficiency and power in the betavoltaic battery. A theoretical investigation of the electrical …
N-doped porous carbon coated g-C3N4/ g-C3N4 heterojunction for polysulfide restriction and catalytic conversion …
Notorious shuttle effects and poor electrical conductivity of S have long hindered the commercialization of lithium-sulfur (Li-S) batteries. Herein, N-doped porous carbon coated graphitic carbon nitride heterojunction (g-C 3 N 4 / g-C 3 N 4 @C) composites was prepared by growing g-C 3 N 4 / g-C 3 N 4 heterojunction on the pores …
Highly active nanostructured CoS2/CoS heterojunction …
The polysulfide/iodide flow battery with the graphene felt-CoS 2 /CoS heterojunction can deliver a high energy efficiency of 84.5% at a current density of 10 …
Simple Synthesis of MoSSe Heterojunction Nanosphere for …
2 · The 3D flower spheres MoSSe heterojunction improves the electronic conductivity. • The MoSSe possesses a good cyclability over 2000 cycles with a capacity …
Silicon heterojunction solar cells with up to 26.81% efficiency …
Silicon heterojunction (SHJ) solar cells have reached high power conversion efficiency owing to their effective passivating contact structures. Improvements in the optoelectronic properties of...
Silicon PV cell conversion efficiency 26.81%
Recently, LONGi Green Energy received the latest certification report from the Institute for Solar Energy Research in Hamelin (ISFH), Germany. The report shows that the conversion efficiency of silicon heterojunction cells independently developed by LONGi Green Energy reaches 26.81%, which is currently the…
Preview Tandem Solar Flow Batteries for Conversion, Storage, …
Because of the tandem heterojunction structure of the III-V tandem solar cell utilized here, a 2.4 V photovoltage was obtained, which is high enough to drive any aqueous RFBs. Moreover, the band-gap energy of the III …
High-Efficiency Silicon Heterojunction Solar Cells: Materials, …
This article reviews the development status of high-efficiency c-Si heterojunction solar cells, from the materials to devices, mainly including hydrogenated …
Mott Schottky heterojunction Co/CoSe2 electrocatalyst: Achieved rapid conversion …
In summary, in order to improve the electrochemical performance of Li-S batteries, a Co/CoSe 2 @NCNFs/S self-supporting electrocatalytic electrode containing Co/CoSe 2 Mott Schottky heterojunction was proposed to promote the …
Efficient separation of photoexcited carriers in a g-C3N4-decorated WO3 nanowire array heterojunction as the cathode of a rechargeable Li–O2 battery
Utilization of solar energy is very important for alleviating the global energy crisis; however, solar-to-electric energy conversion in a compact battery is a great challenge. High charging overpotential of conventional aprotic Li–O2 batteries still restricts their practical application. Herein, we propose a
High-Efficiency Silicon Heterojunction Solar Cells: Materials, …
The solar cell performances are evaluated by four basic parameters: short-circuit current (I SC), open-circuit voltage (V OC), fill factor (FF), and PCE [22, 23], extracted from the illuminated current-voltage (I-V) curve (Fig. 2 (a)) [30].The I SC is the current passing through a solar cell when the solar cell is in a short-circuited condition.
Construction of strong built-in electric field in binary metal sulfide heterojunction to propel high-loading lithium-sulfur batteries …
Herein, a binary metal sulfide MnS-MoS 2 heterojunction electrocatalyst is first designed for the construction of high-sulfur-loaded and durable Li-S batteries. The MnS-MoS 2 p-n heterojunction shows a unique structure of MoS 2 nanosheets decorated with ample MnS nanodots, which contributes to the formation of a strong built-in electric field …
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