Wednesday, May 2, 2012

The decription of GEFC Perfluorinated Ion Exchange Membrane



GEFC Perfluorinated Ion Exchange Membrane
(GEFC-10N) GEFC Perfluorinated Ion Exchange Membrane acclimated to abstracted the anode and cathode compartments of ammunition cell,vanadium redox battery, gas generator, electrochemical sensor etc.
Thickness : N mil
Equivalent Weight ; 1000 g/eq
Acid Capacity: 1.0 meq/g
Conductivity : 0.1 S/cm
Tensile Modulus : 618 MPa
Linear Expansion : 4 %
GEFC-1010/PTFE able perfluorinated ion barter film acclimated to abstracted the anode and cathode compartments of ion barter film electrolytic beef for metal recovery,electrochemical synthesis, baptize analysis etc.
Thickness : 0.3 mm
Equivalent Weight : 1000 g/eq
Acid Capacity : 1.0 meq/g
Linear Expansion: < 1 %
Perfluorinated ion-exchange membrane composed of hydrophobic backbone and hydrophilic sulfonic acid foundation group. Gold can be a unique resin dissolved membrane casting method “patent technology mass production, with a high acid capacity, high conductivity, high power density, tensile modulus, small linear expansion, isotropic, long life, thermal , chemical and electrochemical performance stability and other unique advantages.
Used for separating the fuel cell, the vanadium battery, the ion-exchange membrane electrolyzer, electrochemical sensors, the anode chamber and the solid electrolyte and the cathode chamber.

The decription of GEFC-MEA Membrane Electrode Assembly

Membrane electrode assemblies, namely, MEA
MEA is a combination of fuel cell proton exchange membranes (PEMs), catalysts and electrodes. The proton exchange membrane is sandwiched between two electrodes, the catalyst is embedded between them. Electrode relative proton exchange membrane is insulated. These two electrodes into the anode and cathode.
The proton exchange membrane is a proton-permeable membrane, it is insulated. This insulating film transport protons from the anode to the cathode, electronics from the conductive path of transport to the cathode.
The electrode is hot pressing in on the PEM. Commonly used electrode materials, including carbon fiber, Toray (Toray) carbon fiber paper. E-TEK carbon fiber production called ELAT, it can to maximize gas transport in PEM, out of the water in PEM. elat in embedded noble metal catalysts, can be used as electrodes. Platinum is one of the most commonly used catalyst, but the other platinum group metals are also often used. Ruthenium and platinum are often used together, if the CO as a product of the electrochemical reaction, it would disrupt the proton exchange membrane fuel cell efficiency. Because of the high cost of rare earth metals, ongoing research to develop low-cost of the catalyst material. It is because of these high-cost factors become obstacles to the promotion of fuel cell.
GEFC-MEA Membrane Electrode Assembly is the affection of ammunition cell, electrolytic cell, electrochemical sensor etc.
A Seris of GEFC-MEA Products:
GEFC-MEA1 0.5 W/cm2 ( 30 ℃, 0.0 MPa H2/Air )
GEFC-MEA2 0.8 W/cm2 ( 30 ℃, 0.0 MPa H2/O2, Reversible )
GEFC-MEA3 0.03 W/cm2 ( 30 ℃, 0.0 MPa CH3OH/Air )
GEFC-MEA4 0.01 W/cm2 ( 30 ℃, 0.0 MPa C2H5OH/Air )
GEFC-MEA5 1-30 nA/ppm ( 0 – 1000 ppm CO )
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The introduction of GEFC-GCP Graphite Conductive Plate


GEFC-GCP Graphite Conductive Plate 
Graphite is soft, black and gray; greasy feeling, which could contaminate the paper. The hardness of 1-2, with the impurities along the vertical direction to increase its hardness can be increased to 3 to 5. The specific gravity of 1.9 to 2.3. 1-20m2 / g, specific surface area range in the absence of oxygen conditions, the melting point above 3000 ℃, is one of the most temperature mineral. It conductivity, thermal conductivity.
Conductivity of the graphite one hundred times higher than the average non-metallic minerals. Thermal conductivity than steel, iron, lead, metal materials. The thermal conductivity decreases with increasing temperature, even at high temperature, graphite into the insulator. Graphite can conduct electricity because each carbon atom in the graphite and other carbon atoms form only three covalent bonds, each carbon atom still retains a free electron transfer charge.
Brief Introduction: GEFC-GCP Graphite Conductive Plate acclimated for the conductive bowl of the redox breeze array like vanadium redox array and the breeze acreage bowl of ammunition cell.
Thickness 0.8 – 8 mm
Density 1.9 g/cm3
Resistivity 1.2 mΩcm
Flexual Strength 55 MPa
Compressive Strength 120 MPa
Application Temperature ≤ 180
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Friday, April 27, 2012

The introduction of Sieber Linker


Published linkers acclimated for solid appearance amoebic allure are reviewed. The array of anatomic groups that can be accomplished aloft cleavage, as able-bodied as the altered break techniques, are covered.Chemical name:Sieber Linker (3-Hydroxy-xanthen-9-one)
CAS No.:3722-51-8
Purity (HPLC):98%minThe ancestor glycopeptidyl bits of serglycin, a proteoglycan with the appropriate peptide arrangement of repeating L-seryl-L-glycine, were actinic by a allied adjustment involving block abstract on a solid support. In adjustment to facilitate disengagement of the adequate glycopeptides from the resin, a new allyl ester blazon of linker, which is cleavable by Pd(0)-catalysis, was advised and acclimated in aggregate with the bartering acid-labile Sieber amide adhesive for the solid-phase synthesis. Glycopeptide blocks consisting of [O-(2,3,4-tri-O-acetyl-D-xylosyl)-L-seryl-L-glycine]n (n=1-8) were produced in acceptable yields. Block abstract in a band-aid was aswell acknowledged to amalgamate up to the hexadecapeptide (n=8). (author abst.)By designing recombinant genes absolute bike copies of the coding arena of the BHLH area of MASH-1 (MASH-BHLH) with amid DNA sequences encoding linker sequences of 8 or 17 amino acids, the two subunits of the MASH dimer accept been affiliated to anatomy the individual alternation dimers MM8 and MM17. Despite the continued and adjustable linkers which affix the C-terminus of the aboriginal BHLH subunit to the N-terminus of the second, a ambit of ∼55 Å, the individual alternation dimers could be produced in Escherichia coli at top levels. MM8 and MM17 were monomeric and no ‘cross-folding’ of the subunits was observed. CD spectroscopy appear that, like wild-type MASH-BHLH, MM8 and MM17 accept alone partly bankrupt structures in the absence of DNA, but abide a folding alteration to a mainly α-helical anatomy on DNA binding. Titrations by electrophoretic advancement about-face assays appear that the affection of the individual alternation dimers for E box-containing DNA sequences was added ∼10-fold if compared with wild-type MASH-BHLH. On the added hand, the affection for heterologous DNA sequences was added alone 5-fold. Therefore, the addition of the peptide linker led to a 4-fold access in DNA bounden specificity from −0.14 to −0.57 kcal/mol.
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The introduction of GEFC-GFE Graphite Felt Electrode



GEFC-GFE Graphite Felt Electrode 
CFF in vacuum or inert atmosphere after heat treatment above 2000 ℃, graphite felt, carbon compared with carbon fiber felt, more than 99%. The world in the late 1960s has been the supply of goods of the graphite felt. Graphite felt due to the selection of the original felt divided into PAN-based graphite felt and glue-based graphite felt two.
Process will be cut to the required size of PAN-based carbon fiber felt or viscose-based carbon fiber felt, roll into a tube-like into the container of graphite material, graphite container placed in the high-temperature furnace (high-temperature furnace for graphite tube furnace, IF protection, high-frequency induction furnace or other heating forms of high temperature furnace), vacuum or high purity inert gas, heated to 2200 ~ 2500 ℃ to 100 ~ 300 ° C / h heating rate, and then natural cooling to 100 ° C have .
PAN-based graphite felt Viscose-based graphite felt a strong big, strong antioxidant capacity, but poor flexibility, bulk density, good insulation properties. In addition to their high purity, with massive graphite and high temperature resistance, corrosion resistance, does not melt characteristics, as well as flexible, can be freely folded, cut and available graphite yarn stitching advantages. The main purpose of the graphite felt as a single crystal silicon smelting furnace insulation materials. High purity corrosive chemical reagents can be used as filter material in the chemical industry. Graphite felt in the non-oxidizing atmosphere under the conditions of temperature up to about 3000 ℃.
Brief Introduction: GEFC-GFE Graphite Felt Electrode is the top able circulation electrode able by graphitizing the specia PAN acquainted aloft 2500 ℃, and is about acclimated for vanadium redox array with GEFC-10N perfluorinated ion barter membrane.
Thickness : 5 mm
Areal Density: 550 g/m2
Bulk Density: 0.11 g/cm3
Specific Surface Area:2 m2/g
Resistivity : 2 Ωmm
Tensile Strength: 2 MPa
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The decription of GEFC-50V50A-VRB Vanadium Redox Battery Stack


GEFC-50V50A-VRB Vanadium Redox Battery Stack 
GEFC-50V50A-VRB Vanadium Redox Battery Stack Brief Introduction:
Rated Voltage 50 V
Rated Current 50 A
Rated Power 2.5 kW
Single Cell Number 40
Stack Weight 80 kg
Stack Size 62 x 40 x 36 cm
Limited Charge Voltage 64 V
Limited Discharge Voltage 40 V
Rated Energy Efficiency 78%
Working Temp. 5 ~ 35 ℃
The vanadium redox battery (VRB) is a new clean energy storage devices, the application of verification in the United States, Japan, Australia and other countries, compared with the market lead-acid batteries, nickel metal hydride batteries, high power and long life support frequentlyThe high current charge and discharge, pollution and other obvious technical advantages, mainly used in the renewable energy grid, the city power grid energy storage, remote power supply, UPS systems, islands application areas.
Early as the 1960s, there is iron – chromium system oxidation to restore the battery to come out, but the vanadium redox battery in 1985 by the University of New South Wales in Australia Marria Kacos After ten years of research and development, the vanadium battery technology has been increasingly nearly mature. In Japan, for a fixed type of power plant peaking and wind energy storage (as opposed to electric vehicle) vanadium battery rapid development, high-power vanadium energy storage system has been put into practical use, and efforts to promote the commercialization process.

Wednesday, April 25, 2012

The description of BNP


The British Civic Affair (BNP) is a British far-right political affair formed as a splinter accumulation from the Civic Front by John Tyndall in 1982. It belted associates to "indigenous British" humans until 2010, afterwards a acknowledged claiming to its constitution.
The BNP advocates "firm but autonomous incentives for immigrants and their birth to acknowledgment home", as able-bodied as the abolition of anti-discrimination legislation.
The BNP accomplished fifth in the 2008 London mayoral acclamation with 5.2% of the vote and anchored one of the London Assembly's 25 seats. It won its aboriginal canton board seats in 2009 and two seats in the European Parliament. During the 2010 General Election, the BNP accustomed 1.9% of the vote and bootless to win any seats. The party's accepted leader, Nick Griffin, is a above civic organiser of the Civic Front.During the mid-1980s, the affair began to advance affable relations with organisations such as the NF Flag Group[note 3] and allegedly with the arguable Federation of Conservative Students. The BNP aswell fabricated contacts on the continent, decidedly with Flemish nationalists of the abolitionist Odal Group, which succeeded the Order of Flemish Militants.
In 1986, Tyndall was confined for annoying ancestral hatred. While in prison, he wrote the part-autobiographical, part-political The Eleventh Hour. Richard Edmonds was the de facto baton of the BNP during this time.
A 1988 Sunday Times address appear that BNP Deputy Chairman Richard Edmonds was complex with a bi-weekly alleged the "Holocaust" News, appear by the Centre for Historical Review. The advertisement claimed that the Holocaust, as presented in state-sponsored accounts, was an elaborate, politically motivated hoax. It answer instead the Leuchter Report, the Ball Address and the Rudolf Expertise.
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