Remove Carbon Remove Energy Remove Ni-Li Remove Resource
article thumbnail

Fluorine-incorporated interface enhances cycling stability of Li metal batteries with Ni-rich NCM cathodes

Green Car Congress

A joint research team led by Professor Nam-Soon Choi and Professor Sang Kyu Kwak in the School of Energy and Chemical Engineering at Ulsan National Institute of Science and Technology (UNIST) has developed an ion concentrate electrolyte using a solvent containing fluorine atoms. Li/Li + ). —Lee et al.

Ni-Li 357
article thumbnail

MIT electrolyte enables ultra-high voltage Ni-rich cathodes in Li-metal batteries

Green Car Congress

The electrolyte not only suppresses side reactions, stress-corrosion cracking, transition-metal dissolution and impedance growth on the cathode side, but also enables highly reversible Li metal stripping and plating on the lithium-metal anode (LMA), leading to a compact morphology and low pulverization. Huang, M.,

Ni-Li 284
article thumbnail

New self-purifying electrolyte for high-energy Li-ion batteries

Green Car Congress

A research team in China has developed a new type of electrolyte for high-energy Li-ion batteries with a self-purifying feature that opens a promising approach for electrolyte engineering for next-generation high-energy Li-ion batteries. A paper on their work is published in the RSC journal Energy & Environmental Science.

Li-ion 370
article thumbnail

UNIST team develops new electrolyte additive for high-energy-density Li-ion batteries

Green Car Congress

Researchers at the Ulsan National Institute of Science and Technology (UNIST) in Korea have developed an innovative electrolyte additive that enables a high-energy-density Li-ion battery to retain more than 80% of its initial capacity even after hundreds of cycles. O 2 cathodes. O 2 cathodes. capacity retention after 400 cycles at 1?C

Li-ion 417
article thumbnail

UMD team uses high concentration of LiFSI salt to suppress dendrite formation on Li-metal anode; paired with Ni-rich cathode

Green Car Congress

of Li deposition and stripping, along with an anodic stability of >5.5 Pairing a Li-metal anode in this electrolyte with and LiNi 0.6 mAh/cm 2 ) created a NMC622||Li cell, which showed a high capacity retention of 86% after 100 cycles at a high cutoff voltage of 4.6 Pairing a Li-metal anode in this electrolyte with and LiNi 0.6

Ni-Li 186
article thumbnail

ARPA-E awarding $39M to 16 projects to grow the domestic critical minerals supply chain

Green Car Congress

The US Department of Energy’s (DOE’s) Advanced Research Projects Agency-Energy (ARPA?E) E) will award $39 million in funding to 16 projects across 12 states to develop market-ready technologies that will increase domestic supplies of critical elements required for the clean energy transition. Earlier post.)The

Supplies 345
article thumbnail

PNNL team develops composite sulfur/Ni-MOF composite cathode for Li-S batteries showing excellent capacity retention

Green Car Congress

Researchers at Pacific Northwest National Laboratory (PNNL) have used a novel Ni-based metal organic framework (Ni-MOF) significantly to improve the performance of Li-sulfur batteries by immobilizing polysulfides within the cathode structure through physical and chemical interactions at molecular level. Li-S anode work.

Ni-Li 186