PNNL team pinpoints cause of dendrites and whiskers in lithium batteries; ethylene carbonate a culprit

Green Car Congress

Researchers at Pacific Northwest National Laboratory (PNNL) have uncovered a root cause of the growth of dendrites and whiskers that plague lithium batteries, sometimes causing a short circuit, failure, or even a fire. Both can pierce the separator inside a battery. Batteries

2019 106

Mercedes-Benz shops around for its battery cells—and goes carbon-neutral with them

Green Car Reports

Earlier this month at the Frankfurt auto show, Mercedes-Benz announced that it would source battery cells from carbon-neutral production for the first time. Batteries

2019 96

Trending Sources

C2CNT process converts flue gas from natural gas power plant into carbon nanotubes

Green Car Congress

On 26 July, the first flue gas from the natural gas power plant, the Shepard Energy Center in Calgary, Canada, was directly transformed by the C2CNT process ( earlier post ) into carbon nanotubes. Carbon nanotubes grown by C2CNT directly from carbon dioxide (SEM and TEM imaging).

2019 147

SGL Carbon produces prototypes of fully integrated composite battery enclosures for NIO; battery swapping

Green Car Congress

In collaboration with SGL Carbon, Chinese automotive manufacturer NIO has developed prototypes for battery enclosures made of carbon-fiber reinforced plastic (CFRP) for its NIO high performance electric vehicles. The battery enclosure is extremely lightweight, stable and safe.

2019 96

Licht Group reports high-yield, low-energy synthesis of carbon nano-onions from CO2

Green Car Congress

Stuart Licht ( earlier post ) report a process for the high-yield, low-energy synthesis of carbon nano-onions (CNOs) by electrolysis of CO 2 in molten carbonate. The source of CO 2 to produce CNOs can be industrial flue gas, or direct air carbon capture.

2019 112

Could carbon-fiber electric-vehicle bodies double as ‘mass-less’ batteries?

Green Car Reports

Automakers seem to be in agreement that the ‘skateboard’ location for heavy battery packs—low and wide beneath the passenger floor—is the ideal layout for electric vehicles. Researchers in Sweden have examined the possibility of using the vehicle shell as a battery casing. Batteries future Carbon Fiber research

Study links carbon fiber microstructure to Li insertion mechanism in structural batteries

Green Car Congress

Carbon fibers have already beeen demonstrated as high-capacity Li-ion battery anodes, opening the way for their use as structural electrodes—i.e., The researchers studied the microstructure of different types of commercially available carbon fibers.

Mercedes' carbon-neutral future, Volvo's battery suppliers, Honda's EV: Today's Car News

Green Car Reports

And Volvo names its battery suppliers. Volvo took an unusual step in naming its official battery suppliers for its upcoming electric vehicles, like the Polestar 2 and the upcoming all-electric version. Mercedes-Benz plans to go all-renewable—globally.

2019 105

NSF awards Saratoga Energy grant to advance production of carbon nanotubes from CO2 for batteries closer to market

Green Car Congress

Saratoga Energy has won a National Science Foundation grant to scale up its breakthrough process for generating low-cost, top quality carbon nanotubes from carbon dioxide for use in making high-performance Li-ion batteries, such as those used in electric vehicles, grid storage, and military and aerospace applications. Manufacturers use carbon nanotubes as a conductive additive along with anode and cathode materials as part of the battery-making process.

2018 70

Mazda electric car, Mercedes’ carbon-neutral batteries, the cheapest EV: Today’s Car News

Green Car Reports

Daimler is shopping around for its battery cells but being very particular about what goes into them. Mazda is readying its first electric car for multiple markets. And Honda is greening its manufacturing in the U.S. This and more today at Green Car Reports.

2019 68

Stora Enso building €10M pilot plant to produce hard carbon from lignin; electrode materials

Green Car Congress

Stora Enso is investing €10 million to build a pilot facility for producing bio-based carbon materials based on lignin. Wood-based carbon can be utilized as a crucial component in batteries typically used in consumer electronics, the automotive industry and large-scale energy storage systems. With the new investment, Stora Enso will pilot the processing of lignin into a carbon intermediate for electrode materials. Batteries Biomass

2019 108

Carbon offsets, silicon-wafer batteries, Porsche Turbo S plug-in: Today's Car News

Green Car Reports

Porsche rolls out one very fast plug-in SUV, just after it outlined a carbon-offset program. And are silicon-wafer batteries a good idea? Could more moss clean city air? All this and more on Green Car Reports. The 2020 Porsche Cayenne Turbo S E-Hybrid is the quickest, fastest SUV ever presented from the performance brand. Perhaps it wasn’t. Today in Car News

2019 56

Electric cars emit less carbon than average U.S. new car, everywhere in the world

Green Car Reports

The answer is yes, but the carbon emissions per mile of an electric car—properly measured on a wells-to-wheels basis—are virtually always lower than those of a gasoline or diesel car. Carbon Footprint greenhouse gas climate change carbon dioxide electric utilities plug-in cars Battery Electric Vehicle (BEV) wells to wheels

2017 75

SABIC acquires majority stake in carbon nanotube business for energy storage applications

Green Car Congress

BDS produces and commercializes MOLECULAR REBAR, a proprietary technology of modified carbon nanotubes that offers potential for enhancing the performance of energy storage applications using lead-acid and lithium-ion batteries. Batteries Nanotech

2019 117

New high-performance foldable cathode for Li-S batteries based on 3D activated carbon fiber matrix

Green Car Congress

A team at Sun Yat-sen University in China has developed new high-performance, stable cathode for Li-S batteries consisting of a 3D activated carbon fiber matrix (ACFC) and sulfur. A commercial foldable activated carbon fiber cloth (ACFC) was used as cathode matrix.

Sulfur-loaded carbon aerogel as cathode for Li-S battery offers improved cyclic stability

Green Car Congress

Researchers at South China Normal University in Guangzhou have developed a novel composite of sulfur loaded in micropore-rich carbon aerogel (CA-S) for use as a cathode in Li-sulfur batteries. These issues limit the practical application of lithium-sulfur battery.

2016 100

China team devises boron-doped carbon-sulfur aerogel with consecutive core-shell structures for high-capacity, long-life Li-S battery

Green Car Congress

Researchers at Jiangsu Normal University in China have devised a boron-doped carbon-sulfur (BCS) aerogel with consecutive “core-shell” stuctures as a binder-free cathode for lithium-sulfur batteries. These problems result in low specific capacity and poor cycling life of Li-S batteries.

2018 101

Saint Jean Carbon building a high performance lithium-ion battery with recycled/upcycled material

Green Car Congress

Saint Jean Carbon Inc., a carbon science company engaged in the design and build of energy storage carbon materials, and a battery manufacturing partner will build a high-powered full-scale lithium-ion battery with recycled/upcycled material from an electric car power pack and upcycled anode material from Saint Jean Carbon. Batteries Lifecycle analysis Materials Recycling Sustainability

2016 101

Nobel Prize in Chemistry 2019 awarded to developers of Li-ion battery

Green Car Congress

Stanley Whittingham, Binghamton University, State University of New York; and Akira Yoshino, Asahi Kasei Corporation, for the development of lithium-ion batteries. The foundation of the lithium-ion battery was laid during the oil crisis in the 1970s. Whittingham’s battery.

2019 112

GWU research team C2CNT advances to the final round of the Carbon XPRIZE; CO2 to carbon nanotubes

Green Car Congress

Stuart Licht, a chemistry professor at the George Washington University, and his team of researchers are among the finalists announced today in the $20-million Carbon XPRIZE competition. The carbon dioxide is bubbled into, and dissolved in, a molten carbonate bath.

2018 78

Researchers convert atmospheric CO2 to carbon nanofibers and nanotubes for use as anodes in Li-ion and Na-ion batteries

Green Car Congress

Researchers from George Washington University and Vanderbilt University have demonstrated the conversion of atmospheric CO 2 into carbon nanofibers (CNFs) and carbon nanotubes (CNTs) for use as high-performance anodes in both lithium-ion and sodium-ion batteries. STEP is an efficient solar chemical process, based on a synergy of solar thermal and endothermic electrolyses, designed to convert greenhouse gas carbon dioxide into a useful carbon commodity.

2016 76

UCSD study: under current policies, home energy storage would often increase carbon emissions

Green Car Congress

Under current policies, home energy storage systems would also often increase carbon emissions, according to a study by a team of researchers at the University of California San Diego published in the journal Environmental Science & Technology. Batteries Behavior Market Background

2018 119

Volkswagen striving to make production of the electric ID. carbon-neutral

Green Car Congress

From a lifecycle view, this additional carbon burden is offset compared to the combustion engine vehicle during the use phase, as EVs rack up zero-emission miles that eventually pull the EV ahead of the ICE. Electric (Battery) Lifecycle analysis Manufacturing Materials

2019 116

New concept with anthraquinone-based organic cathode advances aluminum battery technology

Green Car Congress

The new battery uses an anode made of aluminum and a cathode made of an anthraquinone-based organic material. Additionally, our new battery concept has twice the energy density compared with the aluminum batteries that are ‘state of the art’ today. Batteries

2019 124

EALABC paper outlines approach to 48V hybrid systems with advanced lead-carbon batteries

Green Car Congress

The European Advanced Lead-Acid Battery Consortium (EALABC) is delivering a paper this week outlining the consortium’s approach to 48V hybridization at the 2 nd International Conference on Advanced Automotive 48V Power Supply Systems in Düsseldorf. 48V Batteries Hybrids

2014 108

Dual-Carbon Battery: Same Energy Density, Safer, Longer Life Than Lithium-Ion, Says Power Japan Plus

Green Car Reports

In the search for better electric-car batteries, lots of lab research has to happen before anything can be announced. Today, a company called Power Japan Plus came out of stealth mode to unveil a new battery chemistry, with both electrodes--anode and cathode--made of carbon.

2014 114

Silicon/soft-carbon nanohybrid as high-performance anode for Li-ion batteries

Green Car Congress

A team from Samsung R&D and Shinshu University has developed a silicon/soft-carbon nanohybrid anode material for high performance lithium-ion batteries (LIBs). Addition of 5 wt % fluoroethylene carbonate (FEC) to the electrolyte improved the retention up to 81.3% Batteries

2016 85

Japanese start-up seeks to commercialize dual-carbon battery technology; anion intercalation

Green Car Congress

Start-up Power Japan Plus announced plans to commercialize a dual-carbon battery technology, which it calls the Ryden dual carbon battery. Power Japan Plus says that its battery currently offers energy density comparable to a lithium-ion battery, but with a much more rapid rate of charge and the ability for full discharge over a much longer functional lifetime with improved safety and cradle-to-cradle sustainability. Both electrodes are carbon (e.g.,

2014 119

Solid-electrolyte-based liquid Li-S and Li-Se batteries can deliver up to 500 Wh/kg

Green Car Congress

The batteries use a Li 6.4 The current state-of-the-art lithium-ion batteries (LIBs) have an energy density of less than 300 Wh kg -1 and 750 Wh L -1. These issues have seriously impeded the development of Li-S and Li-Se batteries. Cross section of the battery. (B)

2019 96

Researchers synthesize new 2D carbon-sulfur MAX-phase-derived material for Li-S battery electrode

Green Car Congress

Drexel researchers, along with colleagues at Aix-Marseille University in France, have synthesized two-dimensional carbon/sulfur (C/S) nanolaminate materials. Sulfur-infiltrated carbon nanomaterials are currently considered promising cathode materials for Li-S batteries.

2015 106

Recycling diesel carbon nanoparticles for Li-ion battery electrodes

Green Car Congress

In a paper published in the Journal of Power Sources , a team from The Hong Kong Polytechnic University report showing that diesel carbon nanoparticles collected from diesel engines can be chemically activated to create a porous structure. The resulting nanostructured carbon electrodes have a high specific capacity of 936 mAh g ?1

2014 80

Trojan Battery showcasing new lines of Smart Carbon deep-cycle batteries

Green Car Congress

Trojan Battery, Co. will showcase its new lines of deep-cycle lead-acid batteries featuring Smart Carbon technology which addresses the impact of partial state of charge (PSOC) on cycling batteries in renewable energy (RE), inverter backup and remote telecom applications. Smart Carbon is designed to enhance life and performance of Trojan batteries operating in PSOC. Trojan Battery offers a portfolio of deep-cycle flooded, AGM and gel batteries.

Graphene sheet-sulfur/carbon composite cathode for higher performance Li-sulfur batteries

Green Car Congress

The thin graphene sheet, wrapped around the sulfur/zeolitic imidazolate framework-8 derived carbon (S/C ZIF8-D ) composite, has excellent electrical conductivity and mechanical flexibility. Lithium-sulfur batteries offer a theoretical specific energy densities approaching 2600 Wh kg ?1

2014 99

CalEPA to hold public workshop on new strategies to achieve carbon neutrality in transportation; vehicles and fuels

Green Car Congress

The 2019-2020 California State Budget authorizes $3 million for two studies focused on the state’s goal of achieving carbon neutrality by 2045. Study 1 - Identify strategies to significantly reduce emissions from vehicles and to achieve carbon neutrality in that sector. Electric (Battery) Emissions Policy

2019 70

Rechargeable ultrahigh-capacity tellurium-aluminum batteries

Green Car Congress

Researchers at the University of Science and Technology Beijing, with colleagues at Beijing Institute of Technology, have demonstrated the potential of rechargeable tellurium (Te) nanowire positive electrodes to construct ultrahigh-capacity rechargeable tellurium-aluminum batteries (TABs).

2019 115

Enter BMW — with Carbon Fiber

Revenge of the Electric Car

BMW MegaCity Urban Electric Car To Be Built of Carbon Fiber. First, the raw feedstock to make carbon fibers–just call it a “polacrylonitrile-based precursor&# –is made in Japan by a joint venture between SGL and Mitsubishi Rayon and flown to the U.S. The actual carbon fibers themselves are fabricated at Moses Lake, after which they’re flown to Germany, where they’re processed into lightweight fabrics in Wackersdorf. 2009 BMW Concept ActiveE.

Study finds behavior-influencing policies remain critical for mass market success of low-carbon vehicles

Green Car Congress

Policies to entice consumers away from fossil-fuel powered vehicles and normalize low carbon, alternative-fuel alternatives, such as electric vehicles, are vital if the world is to significantly reduce transport sector carbon pure-emissions, according to a new study.

2018 106

PANI-coated sulfur-carbon nanotube composite shows long cycle life for high-capacity Li-S batteries

Green Car Congress

Researchers from Hanyang University in Korea and the University of Maryland have developed a sulfur-carbon nanotube (S/SWNT) composite coated with polyaniline (PANI) polymer as polysulfide block to achieve high sulfur utilization, high Coulombic efficiency, and long cycle life in Li-Sulfur batteries.

2015 93

Swedish researchers explore use of carbon fiber as active electrode in structural battery for electric vehicles

Green Car Congress

Woven carbon fiber can act as an electrode for lithium ion batteries. Researchers in Sweden are exploring the use of carbon fiber as an active electrode in a multifunctional structural Li-ion battery in an electric car; i.e., electrical storage is incorporated into the body of the car. For example, he suggests, the hood of the car could be part of the battery. Batteries Photo: Peter Larsson) Click to enlarge.

Study identifies main culprit behind lithium metal battery failure; counters conventional wisdom

Green Car Congress

The discovery, published in Nature , challenges the conventional belief that lithium metal batteries fail because of the growth of the solid electrolyte interphase (SEI) between the lithium anode and the electrolyte. Our ultimate goal is to enable a commercially viable lithium metal battery.

2019 134

US Air Force contract awarded to ZAF Energy Systems for nickel-zinc battery system

Green Car Congress

ZAF), a developer of next-generation battery technology, has been awarded a $1.4-million contract for a nickel-zinc (NiZn) battery system to support the US Air Force intercontinental ballistic missile (ICBM) ground facility. BatteriesZAF Energy Systems, Inc.

2019 85

The Car Battery's Carbon Footprint

Green Car Reports

But how green is the battery? With governments around the world investing heavily in electric and hybrid cars, the demand for the batteries that power these vehicles is on the rise. Electric cars may run clean. Hi, this is Steven Cherry for IEEE Spectrum's "This Week in Technology." The United States alone has invested $2.4 billion to ramp up

2010 70

Stanford-led team devises new coating for stable lithium-metal batteries

Green Car Congress

A Stanford-led research team invented a new coating—a multifunctional network material—to stabilize lithium-metal anodes and finally make lightweight lithium-metal batteries safe and long lasting, which could usher in the next-generation of electric vehicles. Batteries

2019 115