A four-electron Zn-I2 aqueous battery enabled by reversible I−/I2/I+ conversion
نویسندگان
چکیده
منابع مشابه
Tackling Reversible Conversion Reaction Mechanism for Lithium Based Battery
The demand for next generation of lithium based batteries with higher capacity and rate as well as increased cycle and calendar life requires new lithium storage and transfer mechanisms beyond what current lithium ion battery technique could provide. In lithium based battery, the lithium ions are stored in electrode materials either by physically intercalating (e.g. LiCoC2) or chemically alloyi...
متن کاملAdvanced High-Voltage Aqueous Lithium-Ion Battery Enabled by "Water-in-Bisalt" Electrolyte.
A new super-concentrated aqueous electrolyte is proposed by introducing a second lithium salt. The resultant ultra-high concentration of 28 m led to more effective formation of a protective interphase on the anode along with further suppression of water activities at both anode and cathode surfaces. The improved electrochemical stability allows the use of TiO2 as the anode material, and a 2.5 V...
متن کاملDeposition of ZnO on bismuth species towards a rechargeable Zn-based aqueous battery.
Zn aqueous batteries typically suffer from poor cycle life because water soluble zincate ions are formed during the oxidation of Zn. When Zn is oxidized, most of the Zn2+ ions detach from the current collector and become electrochemically inactive, leaving the battery non-rechargeable. Numerous reports demonstrate the use of Bi2O3 as an electrode additive to enhance electrochemical performance ...
متن کاملGraphene Scroll-Coated α-MnO2 Nanowires as High-Performance Cathode Materials for Aqueous Zn-Ion Battery.
The development of manganese dioxide as the cathode for aqueous Zn-ion battery (ZIB) is limited by the rapid capacity fading and material dissolution. Here, a highly reversible aqueous ZIB using graphene scroll-coated α-MnO2 as the cathode is proposed. The graphene scroll is uniformly coated on the MnO2 nanowire with an average width of 5 nm, which increases the electrical conductivity of the M...
متن کاملUsing Li(+) as the electrochemical messenger to fabricate an aqueous rechargeable Zn-Cu battery.
We propose an aqueous rechargeable Zn-Cu Daniell-type battery. In this system, Li(+) prefers to conduct currents rather than react with the electrodes, while the Zn-Cu electrode couples engage in their electrochemical reactions free from conducting currents. Here Li(+) performs like a messenger and thus could be called the electrochemical messenger.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature Communications
سال: 2021
ISSN: 2041-1723
DOI: 10.1038/s41467-020-20331-9