20.10.2016 15:10:56
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DGAP-News: Elcora Resources Corp
DGAP-News: Elcora Advanced Materials / Key word(s): Miscellaneous
Elcora Advanced Materials Announces the Building and Advanced Testing of
Industry Standard 18650 Lithium Ion Batteries
20.10.2016 / 15:10
The issuer is solely responsible for the content of this announcement.
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Halifax, Nova Scotia--(Newsfile Corp. - October 20, 2016) - ELCORA ADVANCED
MATERIALS CORP. (TSXV: ERA) (FSE: ELM), (the 'Company' or 'Elcora'), is
pleased to announce that it is starting full cell testing and qualification
of its graphite material in industry standard 18650 lithium ion batteries
(LIBs). After successfully demonstrating that Elcora thermally purified
graphite could meet all of the standard requirements for LIBs using coin
cells with lithium reference electrodes, Elcora has contracted with
Coulometrics, LLC, to complete full cell assembly and final qualification
of their graphite anode material. Coulometrics, LLC is a leading advanced
energy consulting company with full LIB assembly and state-of-the-art
testing capabilities.
''Elcora's graphite has performed well in half-cell testing, demonstrated good manufacturing characteristics with respect to electrode coating and adhesion, and has been successfully wound into high quality cylindrical 18650 LIBs, the same format used by automakers such as Tesla. We have now started full cell characterization testing and we are starting accelerated life testing on the finished cells. This will provide the necessary comprehensive information that will allow battery companies to use Elcora's graphite in the near future,' says Dr. Edward Buiel, President and CEO of Coulometrics, LLC.
The battery assembly process to produce industry standard 18650s including, electrode coating, electrode calendaring, cell winding, and cell assembly are shown in Figure 1, 2, and 3 below. The properties of the individual Elcora graphite anode electrodes are shown in Table 1 below. These electrodes were used to assemble 10 18650 LIBs for testing and qualification purposes. The results show that Elcora graphite can be use to produce high quality electrodes with correct coating weight and with respectable densities of 1.5 g/cm3.
Table 1: Anode Characteristics
Active Total Ave Foil Foil Coating Active Single Active Mater. Wt Thick Wt Thick Weight Weight Sided Density Load Anode ID [%] [g] [mm] [g] [mm] [g] [g] mg/cm2 g/cm3 EW16-0117-001 93.1 10.219 0.132 3.635 0.012 6.584 6.130 9.413 1.465 EW16-0117-002 93.1 10.145 0.126 3.635 0.012 6.510 6.061 9.307 1.523 EW16-0117-003 93.1 10.155 0.132 3.635 0.012 6.520 6.070 9.321 1.451 EW16-0117-004 93.1 10.177 0.121 3.635 0.012 6.542 6.090 9.352 1.595 EW16-0117-005 93.1 10.189 0.122 3.635 0.012 6.554 6.102 9.370 1.586 EW16-0117-006 93.1 10.207 0.125 3.635 0.012 6.572 6.118 9.395 1.545 EW16-0117-007 93.1 10.065 0.126 3.635 0.012 6.430 5.986 9.192 1.501 EW16-0117-008 93.1 10.094 0.125 3.635 0.012 6.459 6.013 9.234 1.527 EW16-0117-009 93.1 10.112 0.121 3.635 0.012 6.477 6.030 9.260 1.588 EW16-0117-010 93.1 10.104 0.124 3.635 0.012 6.469 6.023 9.248 1.543 Average 93.1 10.147 0.125 3.635 0.012 6.512 6.062 9.309 1.532
[image: [image: http://orders.newsfilecorp.com/files/2409/23125_a1476965950606_93.jpg] http://orders.newsfilecorp.com/files/2409/23125_a1476965950653_39.jpg] Figure 1: Elcoragraphite coating (left) and roll pressing (right) for electrode productionprior to full 18650 lithium ion battery assembly.
Cannot view this image of figure 1 (left)? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965950606_93.jpg] to view this image
Cannot view this image figure 1 (right)? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965950653_39.jpg] to view this image
The appropriate sized Elcora graphite anodes were combined with a standard Coulometrics NMC cathode and wound into the cell winding (Figure 2) and the final battery (Figure 3).
[image: [image: http://orders.newsfilecorp.com/files/2409/23125_a1476965950700_44.jpg] http://orders.newsfilecorp.com/files/2409/23125_a1476965950903_16.jpg] Figure 2: Rolled components of the 18650 lithium ion battery Figure 3: Completed 18650 battery Cannot view this image? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965950903_16.jpg] [http://orders.newsfilecorp.com/files/2409/23125_a1476965950700_44.jpg] to view this image to view this image The 18650 cells produced as a result of this process are being cycled between 3.0 and 4.2V. An example of one of these cells is shown below in Figure 4.
[image: http://orders.newsfilecorp.com/files/2409/23125_a1476965951028_84.jpg] Figure 4: Lithium ion battery voltage vs capacity relationships over repeated cycles using Elcora graphite anodes.
Cannot view this image? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965951028_84.jpg] to view this image
Initial cycle results show that the capacity and efficiency of the cells are within normal parameters for good quality LIBs (see Figures 5 and 6). Dr. Buiel further commented that 'Although significantly more cycles need to be completed, this level of performance and ease of use of Elcora graphite in the cell assembly process is a very good indication that Elcora processed graphite is very well suited for LIB applications. We plan to continue to work with Elcora to ensure that any issue that may arise during upcoming customer evaluations is addressed quickly.'
[image: http://orders.newsfilecorp.com/files/2409/23125_a1476965951153_98.jpg] Figure 5: Capacity change with usage is essentially flat showing that Elcora anodes are stable with usage.
Cannot view this image? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965951153_98.jpg] to view this image
[image: http://orders.newsfilecorp.com/files/2409/23125_a1476965951262_58.jpg] Figure 6: Early cell efficiency results for Elcora cells that will later be measured precisely with high precision coulometry (HPC) and compared with high quality automotive cells.
Cannot view this image? Please visit [http://orders.newsfilecorp.com/files/2409/23125_a1476965951262_58.jpg] to view this image
'This work is another positive step in Elcora's goal of producing top quality lithium ion battery anodes using ecological process at a competitive cost. It also confirms the anode performance for potential clients.' said Troy Grant, Elcora's President and CEO.'
Information about the Company can be found at http://www.elcoracorp.com.
For further information, please contact: Troy Grant, Director, President and CEO, Elcora Advanced Materials Corp., T: +1 902 802-8847 F: +1 902 446-2001.
CAUTIONARY STATEMENT:
The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release. No stock Exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein. This News Release includes certain 'forward-looking statements'. All statements other than statements of historical fact, included in this release, including, without limitation, statements regarding potential mineralization and reserves, exploration results, and future plans and objectives of Elcora, are forward-looking statements that involve various risks and uncertainties. There can be no assurance that such statements will prove to be accurate and actual results and future events could differ materially from those anticipated in such statements. Important factors that could cause actual results to differ materially from Elcora's expectations are exploration risks detailed herein and from time to time in the filings made by Elcora with securities regulators.
Investors are cautioned that, except as disclosed in the filing statement prepared in connection with the transaction, any information released or received with respect to the transaction may not be accurate or complete and should not be relied upon.
Click on, or paste the following link into your web browser, to view the associated documents
http://www.newsfilecorp.com/release/23125
News Source: Newsfile
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20.10.2016 Dissemination of a Corporate News, transmitted by DGAP - a service of EQS Group AG. The issuer is solely responsible for the content of this announcement.
The DGAP Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Archive at www.dgap.de
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Language: English Company: Elcora Advanced Materials Canada ISIN: CA2844451039 End of News DGAP News Service ---------------------------------------------------------------------------
513253 20.10.2016
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