CAMX Power News

Advanced Automotive Battery Conference (June 2016)

Recent Events

At the recent Advanced Automotive Battery Conference (AABC 2016) 2016 in Detroit, Michigan, Dr. Brian Barnett from CAMX Power Chaired a tutorial entitled Battery Safety and Abuse Tolerance Validation.  Safety of the Li-ion battery will have the greatest impact on the market acceptance of the technology in automotive and stationary applications.  This tutorial discussed safety-enhancing technology and the validation of battery safety under ordinary and abusive conditions.  CAMX Power provided an opening presentation addressing lithium-ion battery safety, the development of conditions in cells that lead to thermal runaway, the factors that contribute to safety-related battery failures and measures to improve and manage battery safety.  Several industry experts also participated in this two-hour session.

http://www.advancedautobat.com/aabc-us/

 

47th Power Sources Conference, Orlando, FL (June 2016)

Recent Events

CAMX Power made three presentations at the recent 47th Power Sources Conference in June in Orlando, FL.

http://www.powersourcesconference.com/

On Monday, June 13 (session 1), Dr. Chris McCoy presented:

Diagnostic Technologies for Lithium-Ion Batteries: Internal Short Circuit Detection.
Dr. Chris McCoy presented work and test results for two distinct, non-invasive and chemistry-agnostic technologies for sensitive early detection of internal shorts in Li-ion batteries before they pose a thermal runaway threat.  Data showing rapid detection of both simulated and actual particle-induced internal short circuits was presented.  These data demonstrated functionality in differing operational environments and battery designs.  Dr. McCoy discussed insights gained from audits of safety-related field-failures of Li-ion batteries as well as from an extensive research effort carried out to increase fundamental understanding of how internal shorts form and lead to safety incidents in the field.

2016 Power Sources Short Detection abstract

On Wednesday, June 15 (session 21), Dr. David Ofer made two consecutive presentations which demonstrated the versatility of CAMX Power’s high performance cathode material known as CAM-7®:

High Energy Li-ion Cells Based on CAM-7 Cathode Material
CAM-7 is a “stabilized” LiNiO2-based cathode material that has very attractive properties relative to other commercial cathode materials for a wide range of DoD and other applications. This presentation highlighted the energy density improvement that can be achieved relative to COTS Li-ion cells by utilizing CAM-7 cathode material, and presented performance data for CAMX Power’s prototype cells showcasing the unique advantages of CAM-7 for DoD applications.  Efforts to commercialize the CAM-7 cathode material were also highlighted.

2016 Power Sources CAM-7 abstract

CAM-7/LTO Lithium-Ion Cells for Robust, High Power Batteries
Lithium-ion batteries with lithium titanate (LTO) anodes offer unique advantages for a number of vehicular, specialty and storage applications requiring the ability to be charged very rapidly and at very low temperatures, and with very high stability, safety and long life.  CAMX Power is developing Li-ion technologies that match LTO opposite CAMX Power’s high energy, high power CAM-7 cathode material for a range of target applications, including: military 6T vehicle batteries, start-stop vehicle batteries, and large-scale stationary storage batteries.  CAM-7 has additional attractive attributes in addition to its high capacity and high rate capability that make it especially well-suited for implementation in long-lived, robust LTO-anode batteries.

2016 Power Sources CAM-7-LTO abstract

 

2016 DOE Annual Merit Review

Recent Events

At the recent U.S. Department of Energy Vehicle Technologies Office 2016 Annual Merit Review scheduled for June 6-10 in Washington, D.C., Dr. Jane Rempel gave an invited presentation titled “High Energy High Power Battery Exceeding PHEV40 Requirements”.   The presentation highlighted results of CAMX Power’s two year program with the DOE focused on developing Li-ion battery chemistry for plug-in hybrid electric vehicles.  In this project, CAMX Power combined its high performance CAM-7 cathode material with Si-based anode materials to develop new battery technology exceeding PHEV40 battery requirements.  Results of independent testing by Argonne of 18650 cells fabricated at CAMX Power were included in this presentation.

http://www.annualmeritreview.energy.gov/

33rd Annual International Battery Seminar & Exhibit in Fort Lauderdale, FL (March 2016)

Recent Events

At the recent 33rd Annual International Battery Seminar & Exhibit held in Fort Lauderdale, FL in March 2016, Dr. Brian Barnett opened the sessions on Battery Safety with a Featured Presentation entitled Li-Ion Battery Safety Technologies and Their Implementation.   This presentation focused on the fact that under suitable triggers/abuses, Li-ion cells can experience thermal runaway, i.e., a rapid increase in cell temperature accompanied by venting, vent-with-flame, ejection of cell parts, fire and explosion.  CAMX Power investigations of various types of triggers have revealed that very different underlying physics and mechanisms are operating for different types of triggers.  As a result, very different approaches are required to prevent safety incidents due to each type of trigger/cause.  The talk highlighted specific means to enhance safety with respect to each of several trigger types.  During the presentation, Dr. Barnett provided several simulations of different types of failures, illustrations of the use of high speed photography employed to resolve events during thermal runaway, and a live demonstration of CAMX Power’s Universal Internal Short Detection Technology.

http://www.internationalbatteryseminar.com/

Battery Safety 2015

Recent Events

In November 2015 at the Battery Safety 2015 conference in Baltimore, MD, Dr. Brian Barnett opened the conference with a Featured Presentation entitled “Pathways to Li-Ion Battery Safety – A Framework for Success”

Battery safety events can be triggered in many different ways, with fundamentally different underlying physics. As a result, a single test that evaluates battery safety is not realistic, nor does a single component that enhances battery safety in one scenario apply broadly across all failure modes. This talk reviews, with examples, the various mechanisms of battery safety failure and provides a framework to clarify and potentially organize approaches to improved Li-ion battery safety.

First International Battery Safety Workshop (1st IBSW)

Recent Events

In August 2015, the First International Battery Safety Workshop (1st IBSW) was held in Munich, Germany.  At the workshop, Dr. Brian Barnett presented an invited paper entitled “Technologies for Detection of Internal Short Circuits in Lithium-Ion Batteries and Options for Intervention”.  In his presentation, Dr. Barnett described the function of CAMX Power’s two technologies for detection of internal short circuits in Li-Ion batteries and he also provided a “live” demonstration of one of these technologies.  He also described specific intervention technologies that can be employed following detection of internal shorts in order to prevent such shorts from progressing to thermal runaways.

 

1st IBSW Barnett Abstract

2015 U.S. Department of Energy Vehicle Technologies Office Annual Merit Review

Recent Events

In June 2015, Dr. Jane Rempel presented two posters at the DOE Annual Merit Review meeting in Washington, D.C. on our effort to develop a high power, high energy Li-ion battery chemistry for plug-in hybrid electric vehicles incorporating CAM-7 cathode material and Si-based anode.  Presentations, titled “Materials Development for High Energy High Power Battery Exceeding PHEV40 Requirements” and “High Energy High Power Battery Exceeding PHEV40 Requirements”, focused on our concurrent materials development and battery design efforts.  In addition, Dr. Rempel and Dr. Ofer participated in the VTO focused session on immerging anode technologies and common issues impeding silicon anode commercialization.