Green Car Congress  
Go to GCC Discussions forum About GCC Contact  RSS Subscribe Twitter headlines

Berkeley Lab/UC Berkeley study shows EV batteries meet daily travel needs of 85%+ of US drivers even after 20% energy capacity fade; calls for new EOL criteria

31 March 2015

A new study by researchers from Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley shows quantitatively that EV batteries can continue to meet daily travel needs of drivers well beyond the 80% floor for remaining energy storage capacity that is commonly assumed. An open access paper on their work, which applied detailed physics-based models of EVs with data on how drivers use their cars, is published in the Journal of Power Sources.

The study also sheds light on a number of other factors concerning battery use and energy and power fade, including that even EV batteries with substantial energy capacity fade continue to provide sufficient buffer charge for unexpected trips with long distances; that enabling charging in more locations, even if only with 120 V wall outlets, prolongs the useful life of EV batteries; and that EVs meet performance requirements even down to 30% remaining power capacity.

Continue Reading “Berkeley Lab/UC Berkeley study shows EV batteries meet daily travel needs of 85%+ of US drivers even after 20% energy capacity fade; calls for new EOL criteria”

Comments (3) | TrackBack (0)

Toyota and Lexus roll-out low-cost automated braking safety packages on RAV4 Hybrid and RX crossover

30 March 2015

At separate press conferences Wednesday and Thursday at the New York Auto Show, Toyota will reveal the RAV4 Hybrid SUV, while Lexus unveils its all-new fourth-generation RX luxury crossover SUV. Both debuts will mark the arrival of new, multi-feature, integrated safety packages, each anchored by automated pre-collision braking and offered at a price below comparable systems across the auto industry.

Toyota Safety Sense (TSS) and Lexus Safety System+ (LSS+) are designed to support the driver’s awareness, decision making and vehicle operation over a wide range of speeds. Packaged together in an integrated system, their features help address three key areas of accident protection: preventing or mitigating rear collisions; keeping drivers within their lane; and enhancing road safety during night time driving. The systems are intended to address commonly occurring crash types according to traffic accident statistical analyses.

More... | Comments (5) | TrackBack (0)

Millbrook joins APC-funded consortium to develop fuel cell range-extended electric LCVs

30 March 2015

Millbrook, one of Europe’s leading independent test and technology centers for vehicles and vehicle systems, will join a UK industry consortium to develop a new class of light commercial vehicle (LCV) combining fuel cell technology with battery electric vehicles to provide significantly improved range and rapid refueling. The consortium, led by Intelligent Energy (earlier post), will receive a £6.3-million ($9.3-million) grant from the UK’s Advanced Propulsion Centre (APC) for the £12.7-million ($19-million) project. The other partners are Frost Electronics, Frost EV, CENEX, British Gas and DHL.

The three-year project will develop validated systems and vehicle conversion expertise ready for volume manufacture. The goal is also to provide fleet operators with a solution that enables vehicle operation for extended periods while being emissions-free at the tailpipe.

More... | Comments (2) | TrackBack (0)

ITM Power awarded US$4.3M for hydrogen refueling stations in London

30 March 2015

ITM Power has been awarded a total of £2.89 million (US$4.3 million) by the UK Hydrogen Refueling Stations (HRS) Infrastructure Grants Scheme, run by the Office of Low Emission Vehicles (OLEV). The award is to build two new HRS in London, sited with strategic partners and for the upgrading of four existing ITM Power refueling stations.

£1.89 million ($2.8 million) has been awarded to ITM Power and its partners to invest in two new HRS in London at strategic locations suitable for Fuel Cell Electric Vehicle (FCEV) roll-out. Both HRS will incorporate on-site hydrogen generation using the company’s PEM HGas electrolyzer platform. ITM Power will work closely with OEM FCEV providers to determine the best locations for siting.

More... | Comments (3) | TrackBack (0)

LG Chem to supply EV batteries to Daimler for new smart EV

30 March 2015

Daimler AG has selected LG Chem as the supplier of lithium-ion batteries for the smart EV that will be newly launched in 2016. Under the contract, LG Chem will provide battery cells to smart EV; Daimler will assemble the cells into the vehicle packs.

By signing a supply contract with Daimler, LG Chem has become the world’s biggest automotive battery supplier, having at least 13 global automakers among the top 20 global brands. In addition to Daimler, top automakers Volkswagen, Ford, Hyundai, Renault, Audi, Chevrolet, Kia, and GM use LG Chem batteries for EV applications.

More... | Comments (3) | TrackBack (0)

Dalhousie team reports ternary blends of electrolyte additives greatly enhance performance of NMC Li-ion cells

30 March 2015

Batteries for electrified vehicles require much longer calendar and cycle lifetimes, as well as improved high temperature tolerance, than their portable consumer electronics counterparts. Electrolyte additives can be used to extend cell lifetime by suppressing parasitic reactions between charged electrodes and electrolyte by modifying the solid electrolyte interphase (SEI) at the negative electrode or the passivation layer formed on the positive electrode.

Researchers at Dalhousie University (Canada) led by Dr. Jeff Dahn now report that Li[Ni1/3Mn1/3Co1/3]O2 (NMC111)/graphite and Li[Ni0.42Mn0.42Co0.16]O2 (NMC442)/graphite pouch cells demonstrate greatly enhanced performance when ternary blends of electrolyte additives are added to the cells. Their work is published in a paper in an open access article in the Journal of the Electrochemical Society.

More... | Comments (0) | TrackBack (0)

Total natural gas vehicle sales in US down 6.5% in 2014 due to 34% drop in light-duty sales; medium- and heavy-duty up

29 March 2015

In 2014, light-, medium-, and heavy-duty natural gas vehicle (NGV) production/sales in the US totaled just over 18,000 vehicles, down 6.5% from 2013, according to NGVAmerica’s 2014 NGV Production/Sales Report. The report is based on the organization’s annual survey of OEMs and approved aftermarket suppliers.

The heavy-duty market segment grew at a healthy pace, up 30% over 2013. The medium-duty market segment also grew steadily, up 24% over 2013. The light-duty segment fell 34% from 2013, mostly related to a drop in orders from the gas and oil exploration and production (E&P) sector.

More... | Comments (1) | TrackBack (0)

BNL team develops very high capacity ternary metal fluoride cathode material for Li-ion batteries

28 March 2015

Copper-iron-hr
The team achieved three-times-higher storage capacity through the reversible redox reactions of copper and iron—breaking and reforming copper-fluorine and iron-fluorine bonds while absorbing and releasing lithium. Source: BNL. Click to enlarge.

A team led by researchers at Brookhaven National Laboratory (BNL) has found that adding copper atoms to iron fluoride—a member of the class of materials called transition metal fluorides that are potential extremely high-capacity cathodes for future Li-ion batteries—produces a group of new fluoride materials that can reversibly store three times as many Li ions as conventional cathode materials. Measurements also indicate that these new materials could yield a cathode that is extremely energy-efficient. Their research is described in an open access paper in the journal Nature Communications.

The capacity of mainstream conventional cathodes (e.g., LiCoO2 or LiFePO4) is low (140–170 mAh g−1) and currently limits the energy density of most commercial cells, the researchers note. Although a number of alternative anodes (such as ​silicon and tin) show capacities well above 500 mAh g−1, few cathodes have been identified that can the high capacity. However, transition metal fluorides, which contain the element fluorine plus one or more of the transition metals, such as iron and copper, have much higher ion-storage capacities than traditional cathodes.

More... | Comments (3) | TrackBack (0)

Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

27 March 2015

Cq5dam.thumbnail.1050.1050
DTNA’s SuperTruck was unveiled at the 2015 Mid-America Trucking Show. Click to enlarge.

Daimler Trucks North America’s (DTNA) SuperTruck program has achieved 115% freight efficiency improvement (gallons of fuel consumed per ton of goods moved per mile traveled)—surpassing the Department of Energy (DOE) program’s goal of 50% improvement and exhibiting the best results of all reporting OEMs. (Earlier post.) DTNA unveiled its SuperTruck at the 2015 Mid-America Trucking Show (MATS) in the Freightliner Trucks booth.

To measure freight efficiency, DTNA ran vehicle testing on highway routes in Oregon and Texas; one city route in Portland, Ore.; and anti-idle testing in both a cold chamber and hot chamber. These tests resulted in the combined 115% freight efficiency improvement over a 2009 baseline truck. Testing was also conducted at the DTNA Detroit engineering facility to demonstrate engine efficiency by achieving 50.2% engine brake thermal efficiency.

More... | Comments (14) | TrackBack (0)

Toyota progress report on TNGA; half of vehicles sold in 2020 to feature new platforms

27 March 2015

In 2012, Toyota Motor introduced its new development framework, the Toyota New Global Architecture. (Earlier post.) Designed to balance product advances with cost reductions, TNGA supports the grouping of the development of new vehicles to promote strategic sharing of parts and powertrain components. One goal is the reduction of resources required for development by 20% or more.

Toyota recently provided an update and an outlook on its progress with TNGA, focusing on new vehicle development (powertrain components and vehicle platforms) as well as production systems.

More... | Comments (1) | TrackBack (0)

Porsche presents more efficient Gen 2 919 Hybrid LMP1 racer for 2015

27 March 2015

Porsche has presented the second generation of its Le Mans Prototype 919 Hybrid race car. (Earlier post.) The new racer will compete in the 8 MJ category (8 MJ of recovered energy per race lap)—the highest of the current four energy categories in the LMP1 class. (The amount of liquid fuel that may be used in a lap decreases in proportion to the amount of electrical energy a driver is able to employ.)

Although the basic concept of the Class 1 Le Mans Prototype (LMP1)— a downsized turbocharged direct injection gasoline engine and two different energy recovery systems—was retained in the second generation, virtually every component was refined. System power now totals nearly 1,000 hp (746 kW). The goals for the next evolutionary stage were to make the vehicle more efficient, more rigid, easier to handle, lighter and yet more robust.

More... | Comments (1) | TrackBack (0)

SABIC introduces novel thermoplastic roof fairing concept for 3% improvement in heavy-duty truck fuel economy

26 March 2015

SABIC has introduced a thermoplastic roof fairing concept that can potentially reduce annual fuel consumption of a heavy-duty truck by at least 3%. SABIC’s design concept is aerodynamically optimized to deflect air by accelerating airflow through and across the top and sides of the roof fairing. The result is a significant drop in drag, up to 5.9%, improving the aerodynamic performance and fuel efficiency of a heavy-duty truck.

SABIC’s new thermoplastic roof fairing concept incorporates air ducts to reduce front end pressure and accelerate airflow both over the surface and through the fairing itself. Conventional roof fairings, in contrast, achieve aerodynamic efficiencies simply by maximizing airflow over smooth, closed surfaces.

More... | Comments (8) | TrackBack (0)

Green Car Congress © 2015 BioAge Group, LLC. All Rights Reserved. | Home | BioAge Group

Other Recent Items...
EPA annual report finds automakers outperforming GHG emissions standards
26 March 2015  | Com. (1) | TB (0)
BASF and Floatility partner on ultra-lightweight solar-powered electric scooter: 12kg e-floater
26 March 2015  | Com. (1) | TB (0)
DOE announces conditional commitment for $259M loan to Alcoa for automotive aluminum production
26 March 2015  | Com. (0) | TB (0)
Mercedes-Benz introduces its first plug-in hybrid SUV: the GLE550 e
26 March 2015  | Com. (0) | TB (0)
Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2
26 March 2015  | Com. (0) | TB (0)
GM to introduce strong hybrid version of Malibu; combined fuel economy above 45 mpg; leverages Volt
25 March 2015  | Com. (4) | TB (0)
New ABB Azipod D for electric marine propulsion requires 25% less installed power, boosts flexibility
25 March 2015  | Com. (6) | TB (0)
California Energy Commission awards $24.9M to 9 medium- and heavy-duty advanced truck demo projects
25 March 2015  | Com. (1) | TB (0)
XALT Energy in major multi-year contract to supply LTO batteries to HK Group for electric buses in China
25 March 2015  | Com. (1) | TB (0)
UT Austin researchers significantly boost yield and speed of lipids production from engineered yeast; more efficient biofuel production
24 March 2015  | Com. (1) | TB (0)
Report: VW Group to decide how to proceed with Quantumscape solid state energy storage by July
24 March 2015  | Com. (9) | TB (0)
New Ford S-MAX first worldwide to offer Intelligent Speed Limiter
24 March 2015  | Com. (7) | TB (0)
DOE 2015 SBIR/STTR Phase 2 Release 1 awards include 3 hydrogen projects
24 March 2015  | Com. (1) | TB (0)
Wall Street Losing Millions From Bad Energy Loans
24 March 2015  | Com. (3) | TB (0)
New UK Energy & Fuels 2050 transportation roadmap highlights important role of drop-in fuels and power-to-gas
23 March 2015  | Com. (1) | TB (0)
Audi revamps 2015 R18 e-tron quattro Le Mans diesel hybrid racer; 4MJ class
23 March 2015  | Com. (0) | TB (0)
Purdue researchers convert packing peanuts into anode materials for Li-ion batteries; outperforming graphite
23 March 2015  | Com. (2) | TB (0)
DeltaWing to develop GT race car concept; step toward street-legal DeltaWing sports car
23 March 2015  | Com. (2) | TB (0)
BLM issues final rule for fracking on public lands; new rule on deepsea blowout preventers coming
22 March 2015  | Com. (0) | TB (0)
New Rutgers non-noble metal catalyst for hydrogen evolution performs as well as Pt in both acid and base
22 March 2015  | Com. (10) | TB (0)
Daimler putting ~€1B into Stuttgart-Untertürkheim to make it the center of competence for efficient engines, hybrid powertrains and fuel cell system production
21 March 2015  | Com. (25) | TB (0)
Cadillac launches new V-6 family; 3.0L Twin Turbo w/ cylinder deactivation and stop/start for CT6
20 March 2015  | Com. (1) | TB (0)
EPA awards $8M in FY2014 clean diesel grants in 21 states, Puerto Rico
20 March 2015  | Com. (0) | TB (0)
DOE to award up to $20M to advance high-speed industrial motors and drives
20 March 2015  | Com. (0) | TB (0)
Stanford team enhances ionic conductivity of solid electrolyte by 3 orders of magnitude; potential for high-energy Li-ion batteries
20 March 2015  | Com. (4) | TB (0)
Obama orders GHG cuts for Federal Agencies; 50% of all new agency vehicles to be ZEV or PHEV by 2025
19 March 2015  | Com. (8) | TB (0)
Ford’s Go!Drive car sharing on-demand experiment in London entering beta phase
19 March 2015  | Com. (0) | TB (0)
Renault Trucks Optifuel Lab 2 vehicle results: reduction in fuel consumption by 22% compared to conventional truck
19 March 2015  | Com. (0) | TB (0)
ORNL and Shanghai Institute of Applied Physics in CRADA for development of fluoride salt-cooled high-temp reactors
19 March 2015  | Com. (1) | TB (0)
Cummins Emission Solutions introduces next-gen aftertreatment system EcoFit Single Module
19 March 2015  | Com. (0) | TB (0)
Mercedes-Benz to introduce 10 plug-in hybrids by 2017; GLE PHEV coming soon
18 March 2015  | Com. (12) | TB (0)
Northwestern-led team finds slightly imperfect graphene can serve as a highly selective proton separation membrane
18 March 2015  | Com. (6) | TB (0)
Researchers synthesize new 2D carbon-sulfur MAX-phase-derived material for Li-S battery electrode
18 March 2015  | Com. (0) | TB (0)
Mercedes-Benz C 350 e PHEV can reduce full lifecycle CO2 emissions up to 41% compared to gasoline-engined C 250
18 March 2015  | Com. (2) | TB (0)
Texas: From Shale Boom to Water Revolution
18 March 2015  | Com. (14) | TB (0)
New bimetallic copper-titanium hydrogen evolution catalyst outperforms platinum by more than 2x
17 March 2015  | Com. (12) | TB (0)
Highly efficient nickel-iron/nickel foam electrode for OER in water-splitting
17 March 2015  | Com. (7) | TB (0)
Simon Fraser study finds PEV success not tied to awareness of public chargers; implications for policy makers
17 March 2015  | Com. (13) | TB (0)
H2 Logic delivers H2 fast fueling station for Hamburg; first to achieve German CEP SAE J2601 approval
17 March 2015  | Com. (1) | TB (0)
Optimized storage principle and new material increase lithium storage density in cathode material
16 March 2015  | Com. (2) | TB (0)
Ceres and Raízen sign multi-year collaboration to scale-up sweet sorghum for ethanol in Brazil
16 March 2015  | Com. (0) | TB (0)
BMW brand’s first production PHEV: the BMW X5 xDrive40e
16 March 2015  | Com. (0) | TB (0)
A*STAR team combines fungal culture and acid hydrolyses for cost-effective production of fermentable sugars from palm oil waste
16 March 2015  | Com. (1) | TB (0)
Cadillac CT6 mixed-material body structure saves 90 kg over predominantly steel construction
15 March 2015  | Com. (3) | TB (0)
Delphi Automotive launching coast-to-coast automated drive
15 March 2015  | Com. (6) | TB (0)
PANI-coated sulfur-carbon nanotube composite shows long cycle life for high-capacity Li-S batteries
14 March 2015  | Com. (0) | TB (0)
Penn and ExxonMobil researchers uncover mechanisms behind performance of major antiwear additive in lubricants
13 March 2015  | Com. (1) | TB (0)
Opinion: Consumers winning with low oil prices, for now
13 March 2015  | Com. (5) | TB (0)
Ultrahigh-capacity anodes derived from natural silk for Li-ion batteries; other energy storage applications
13 March 2015  | Com. (1) | TB (0)
Opel developing eye-tracking technology to guide headlights
12 March 2015  | Com. (2) | TB (0)
Intelligent Energy introduces new high performance 100kW automotive fuel cell architecture
12 March 2015  | Com. (17) | TB (0)
New diamine-appended MOFs can capture CO2 for half or less of the energy cost of current materials
12 March 2015  | Com. (11) | TB (0)
Audi to have a plug-in hybrid in every model series; new BEV in 2018
11 March 2015  | Com. (11) | TB (0)