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Vanner begins serial production of liquid-cooled converter for EVs with SiC solid-state switching

Charged

Power conversion specialist Vanner has started serial production of a liquid-cooled converter with silicon carbide (SiC) solid-state switching for hybrid, battery-electric and fuel cell vehicles. kW, 300 A, 600 VDC to 24 VDC air-cooled converter. It is liquid-cooled to minimize the footprint, and is IP67-rated.

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Cooling a hidden threat for climate change and sustainable goals, says Oxford study

Envirotec Magazine

Past research suggests that growing international demand for cooling has the potential to drive one of the most substantial increases in greenhouse gas emissions in recent history. A new study, led by the University of Oxford and published on 19 October in Nature Sustainability , sets out a framework for delivering sustainable cooling.

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Can ACs cool the world without warming it?

Grist

Several companies, including Gradient where Romanin is CEO (which landed him on the 2021 Grist 50 list ), are developing new AC technologies and approaches that are starting to show what a more efficient, less climate-intensive approach to cooling will look like. “And that absolutely doesn’t need to be true.”

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CARB proposes new rules for defining EV battery health

Charged

Buying a pre-owned EV presents a new concern for buyers to beware of—the health of the vehicle’s battery. Some older EVs—notable the air-cooled Nissan LEAF—have poor records in this department. All batteries degrade over time, and there’s no simple way for a buyer to know how much of its original range a used EV retains.

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This study on using water and fans to cool down sounds silly. Here’s why it’s important.

Grist

A recent study found that Americans could deal with heat waves by … spraying themselves with water and turning on their electric fans. As obvious as cooling off with fans and water sounds, it’s not obvious to all public health departments. Assembling in cooling centers could be deadly during a pandemic.

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Extreme heat emergency: More than a billion people facing heat risks without improved access to cooling

Business Green

Rolling out cooling technologies to the 1.2 The report assesses 76 countries with cooling access challenges and found that, globally, 1.2 billion people do not have adequate access to cooling, threatening their ability to survive extreme heat, store nutritious food, or secure access to safe vaccines.

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Metis Engineering’s Battery Safety Sensor monitors pack health, detects cell venting

Charged

Metis Engineering’s Battery Safety Sensor is designed to monitor the health of a lithium-ion battery pack and detect cell venting, an early sign of catastrophic battery failure. The sensor can also trigger a process to cut the circuit to the battery pack, allowing it to cool down and hopefully prevent thermal runaway.