Energy & Green Tech
Researchers in Korea have developed a high-capacity cathode material that can be stably charged and discharged for hundreds of cycles without using expensive cobalt (Co). The day is fast approaching when electric vehicles ...
Mar 5, 2021
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Other
When the COVID-19 pandemic broke out in 2019-20, it had an immense impact around the world, but particularly in urban areas, where it was particularly transmissible. Lockdowns and curfews were imposed, as well as distance ...
Mar 4, 2021
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Energy & Green Tech
NIMS and SoftBank discovered that the cycle life of high energy density lithium-air batteries is predominantly influenced by the ratio of electrolyte volume to electrode areal capacity. The team developed a technique to quantify ...
Jan 18, 2021
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Energy & Green Tech
Sodium-ion batteries are a potential replacement for lithium batteries, but the anodes—positively charged electrodes—that work well for lithium-ion batteries don't provide the same level of performance for sodium-ion ...
Jan 12, 2021
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93
Engineering
Every day, Americans travel on roads, bridges and highways without considering the safety or reliability of these structures. Yet much of the transportation infrastructure in the U.S. is outdated, deteriorating and badly ...
Nov 12, 2020
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Engineering
Train journeys should be safe and comfortable, and track systems are crucial to this. So-called 'tamping' (positioning, compacting and stabilizing) of the ballast in the track bed is one of the most important maintenance ...
Oct 28, 2020
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4
Electronics & Semiconductors
Power electronics regulate and modify electric power. They are in computers, power steering systems, solar cells, and many other technologies. Researchers are seeking to enhance power electronics by using silicon carbide ...
Oct 19, 2020
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Energy & Green Tech
NIMS has found for the first time that a voltage increase that occurs in lithium-air batteries when they are being charged—a major issue preventing their practical use—is strongly and positively correlated with the degree ...
Sep 17, 2020
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5
Automotive
The UK prime minister, Boris Johnson, has announced £2 billion to create thousands of miles of protected bike lanes and pedestrian space. There are lots of good reasons to encourage walking and cycling—active travel, as ...
Sep 2, 2020
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5
Automotive
Bikes are booming across the globe as people seek to avoid crowded buses and trains for their daily commutes in the wake of the coronavirus pandemic—or get back into shape after long months of lockdown.
Jul 23, 2020
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