During the oil crisis of the 1970s, a chemist at Exxon named M. Stanley Whittingham, working on a new type of rechargeable battery, discovered that lithium ions could slip inside the gaps in a layered ...

Scientists say they have observed how the instability of vanadium disulfide in lithium-ion batteries occurs and claim to have solved the problem by applying a nanolayered titanium disulfide coating.